Messages in this thread Patch in this message | | | Date | Wed, 21 Dec 2011 13:54:38 -0800 | From | Greg KH <> | Subject | Re: Linux 3.0.14 |
| |
diff --git a/Makefile b/Makefile index 5ccc962..f4f577b 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 0 -SUBLEVEL = 13 +SUBLEVEL = 14 EXTRAVERSION = NAME = Sneaky Weasel diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 7d606b0..eeb9478 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -237,9 +237,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk), CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk), CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), - CLKDEV_CON_DEV_ID("t3_clk", "atmel_tcb.1", &tc3_clk), - CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk), - CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk), + CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk), + CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk), + CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk), }; diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index e83cc86..f893617 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -748,7 +748,7 @@ static struct snd_platform_data da850_evm_snd_data = { .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction), .tdm_slots = 2, .serial_dir = da850_iis_serializer_direction, - .asp_chan_q = EVENTQ_1, + .asp_chan_q = EVENTQ_0, .version = MCASP_VERSION_2, .txnumevt = 1, .rxnumevt = 1, diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index f6ac9ba..3cdd237 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -563,7 +563,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) int val; u32 value; - if (!vpif_vsclkdis_reg || !cpld_client) + if (!vpif_vidclkctl_reg || !cpld_client) return -ENXIO; val = i2c_smbus_read_byte(cpld_client); @@ -571,7 +571,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) return val; spin_lock_irqsave(&vpif_reg_lock, flags); - value = __raw_readl(vpif_vsclkdis_reg); + value = __raw_readl(vpif_vidclkctl_reg); if (mux_mode) { val &= VPIF_INPUT_TWO_CHANNEL; value |= VIDCH1CLK; @@ -579,7 +579,7 @@ static int setup_vpif_input_channel_mode(int mux_mode) val |= VPIF_INPUT_ONE_CHANNEL; value &= ~VIDCH1CLK; } - __raw_writel(value, vpif_vsclkdis_reg); + __raw_writel(value, vpif_vidclkctl_reg); spin_unlock_irqrestore(&vpif_reg_lock, flags); err = i2c_smbus_write_byte(cpld_client, val); diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h index 35a89dd..1332f73 100644 --- a/arch/arm/mach-mxs/include/mach/mxs.h +++ b/arch/arm/mach-mxs/include/mach/mxs.h @@ -30,6 +30,7 @@ */ #define cpu_is_mx23() ( \ machine_is_mx23evk() || \ + machine_is_stmp378x() || \ 0) #define cpu_is_mx28() ( \ machine_is_mx28evk() || \ diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 6781765..aa083d3 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -1054,6 +1054,14 @@ int hpet_rtc_timer_init(void) } EXPORT_SYMBOL_GPL(hpet_rtc_timer_init); +static void hpet_disable_rtc_channel(void) +{ + unsigned long cfg; + cfg = hpet_readl(HPET_T1_CFG); + cfg &= ~HPET_TN_ENABLE; + hpet_writel(cfg, HPET_T1_CFG); +} + /* * The functions below are called from rtc driver. * Return 0 if HPET is not being used. @@ -1065,6 +1073,9 @@ int hpet_mask_rtc_irq_bit(unsigned long bit_mask) return 0; hpet_rtc_flags &= ~bit_mask; + if (unlikely(!hpet_rtc_flags)) + hpet_disable_rtc_channel(); + return 1; } EXPORT_SYMBOL_GPL(hpet_mask_rtc_irq_bit); @@ -1130,15 +1141,11 @@ EXPORT_SYMBOL_GPL(hpet_rtc_dropped_irq); static void hpet_rtc_timer_reinit(void) { - unsigned int cfg, delta; + unsigned int delta; int lost_ints = -1; - if (unlikely(!hpet_rtc_flags)) { - cfg = hpet_readl(HPET_T1_CFG); - cfg &= ~HPET_TN_ENABLE; - hpet_writel(cfg, HPET_T1_CFG); - return; - } + if (unlikely(!hpet_rtc_flags)) + hpet_disable_rtc_channel(); if (!(hpet_rtc_flags & RTC_PIE) || hpet_pie_limit) delta = hpet_default_delta; diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c index ea30585..dd74e46 100644 --- a/arch/x86/mm/gup.c +++ b/arch/x86/mm/gup.c @@ -201,6 +201,8 @@ static noinline int gup_huge_pud(pud_t pud, unsigned long addr, do { VM_BUG_ON(compound_head(page) != head); pages[*nr] = page; + if (PageTail(page)) + get_huge_page_tail(page); (*nr)++; page++; refs++; diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index acea42e..f8dcda4 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -192,9 +192,21 @@ static unsigned long __init xen_get_max_pages(void) domid_t domid = DOMID_SELF; int ret; - ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid); - if (ret > 0) - max_pages = ret; + /* + * For the initial domain we use the maximum reservation as + * the maximum page. + * + * For guest domains the current maximum reservation reflects + * the current maximum rather than the static maximum. In this + * case the e820 map provided to us will cover the static + * maximum region. + */ + if (xen_initial_domain()) { + ret = HYPERVISOR_memory_op(XENMEM_maximum_reservation, &domid); + if (ret > 0) + max_pages = ret; + } + return min(max_pages, MAX_DOMAIN_PAGES); } diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index ce33f46..2763643 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -738,6 +738,37 @@ static void __exit ibft_exit(void) ibft_cleanup(); } +#ifdef CONFIG_ACPI +static const struct { + char *sign; +} ibft_signs[] = { + /* + * One spec says "IBFT", the other says "iBFT". We have to check + * for both. + */ + { ACPI_SIG_IBFT }, + { "iBFT" }, +}; + +static void __init acpi_find_ibft_region(void) +{ + int i; + struct acpi_table_header *table = NULL; + + if (acpi_disabled) + return; + + for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) { + acpi_get_table(ibft_signs[i].sign, 0, &table); + ibft_addr = (struct acpi_table_ibft *)table; + } +} +#else +static void __init acpi_find_ibft_region(void) +{ +} +#endif + /* * ibft_init() - creates sysfs tree entries for the iBFT data. */ @@ -745,9 +776,16 @@ static int __init ibft_init(void) { int rc = 0; + /* + As on UEFI systems the setup_arch()/find_ibft_region() + is called before ACPI tables are parsed and it only does + legacy finding. + */ + if (!ibft_addr) + acpi_find_ibft_region(); + if (ibft_addr) { - printk(KERN_INFO "iBFT detected at 0x%llx.\n", - (u64)isa_virt_to_bus(ibft_addr)); + pr_info("iBFT detected.\n"); rc = ibft_check_device(); if (rc) diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c index bfe7232..4da4eb9 100644 --- a/drivers/firmware/iscsi_ibft_find.c +++ b/drivers/firmware/iscsi_ibft_find.c @@ -45,13 +45,6 @@ EXPORT_SYMBOL_GPL(ibft_addr); static const struct { char *sign; } ibft_signs[] = { -#ifdef CONFIG_ACPI - /* - * One spec says "IBFT", the other says "iBFT". We have to check - * for both. - */ - { ACPI_SIG_IBFT }, -#endif { "iBFT" }, { "BIFT" }, /* Broadcom iSCSI Offload */ }; @@ -62,14 +55,6 @@ static const struct { #define VGA_MEM 0xA0000 /* VGA buffer */ #define VGA_SIZE 0x20000 /* 128kB */ -#ifdef CONFIG_ACPI -static int __init acpi_find_ibft(struct acpi_table_header *header) -{ - ibft_addr = (struct acpi_table_ibft *)header; - return 0; -} -#endif /* CONFIG_ACPI */ - static int __init find_ibft_in_mem(void) { unsigned long pos; @@ -94,6 +79,7 @@ static int __init find_ibft_in_mem(void) * the table cannot be valid. */ if (pos + len <= (IBFT_END-1)) { ibft_addr = (struct acpi_table_ibft *)virt; + pr_info("iBFT found at 0x%lx.\n", pos); goto done; } } @@ -108,20 +94,12 @@ done: */ unsigned long __init find_ibft_region(unsigned long *sizep) { -#ifdef CONFIG_ACPI - int i; -#endif ibft_addr = NULL; -#ifdef CONFIG_ACPI - for (i = 0; i < ARRAY_SIZE(ibft_signs) && !ibft_addr; i++) - acpi_table_parse(ibft_signs[i].sign, acpi_find_ibft); -#endif /* CONFIG_ACPI */ - /* iBFT 1.03 section 1.4.3.1 mandates that UEFI machines will * only use ACPI for this */ - if (!ibft_addr && !efi_enabled) + if (!efi_enabled) find_ibft_in_mem(); if (ibft_addr) { diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 835ae42..6163cfa 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -747,6 +747,8 @@ static void __cpuinit put_core_offline(unsigned int cpu) return; pdata = platform_get_drvdata(pdev); + if (!pdata) + return; indx = TO_ATTR_NO(cpu); diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c index fea292d..b65a4da 100644 --- a/drivers/hwmon/jz4740-hwmon.c +++ b/drivers/hwmon/jz4740-hwmon.c @@ -59,7 +59,7 @@ static ssize_t jz4740_hwmon_read_adcin(struct device *dev, { struct jz4740_hwmon *hwmon = dev_get_drvdata(dev); struct completion *completion = &hwmon->read_completion; - unsigned long t; + long t; unsigned long val; int ret; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index cbb50d3..1f6c68d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3078,7 +3078,7 @@ static void handle_stripe5(struct stripe_head *sh) /* Not in-sync */; else if (test_bit(In_sync, &rdev->flags)) set_bit(R5_Insync, &dev->flags); - else { + else if (!test_bit(Faulty, &rdev->flags)) { /* could be in-sync depending on recovery/reshape status */ if (sh->sector + STRIPE_SECTORS <= rdev->recovery_offset) set_bit(R5_Insync, &dev->flags); diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index cc20e02..e12fbc5 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -731,6 +731,7 @@ static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) "failed to config DMA channel. Falling back to PIO\n"); dma_release_channel(host->dma); host->do_dma = 0; + host->dma = NULL; } } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c index 09f679d..b849ad7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c @@ -411,6 +411,24 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) return 0; } +void iwlagn_config_ht40(struct ieee80211_conf *conf, + struct iwl_rxon_context *ctx) +{ + if (conf_is_ht40_minus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_BELOW; + ctx->ht.is_40mhz = true; + } else if (conf_is_ht40_plus(conf)) { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_ABOVE; + ctx->ht.is_40mhz = true; + } else { + ctx->ht.extension_chan_offset = + IEEE80211_HT_PARAM_CHA_SEC_NONE; + ctx->ht.is_40mhz = false; + } +} + int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) { struct iwl_priv *priv = hw->priv; @@ -470,19 +488,11 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed) ctx->ht.enabled = conf_is_ht(conf); if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } + /* if HT40 is used, it should not change + * after associated except channel switch */ + if (iwl_is_associated_ctx(ctx) && + !ctx->ht.is_40mhz) + iwlagn_config_ht40(conf, ctx); } else ctx->ht.is_40mhz = false; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index baec52d..67d4c2d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2872,21 +2872,9 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw, /* Configure HT40 channels */ ctx->ht.enabled = conf_is_ht(conf); - if (ctx->ht.enabled) { - if (conf_is_ht40_minus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_BELOW; - ctx->ht.is_40mhz = true; - } else if (conf_is_ht40_plus(conf)) { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_ABOVE; - ctx->ht.is_40mhz = true; - } else { - ctx->ht.extension_chan_offset = - IEEE80211_HT_PARAM_CHA_SEC_NONE; - ctx->ht.is_40mhz = false; - } - } else + if (ctx->ht.enabled) + iwlagn_config_ht40(conf, ctx); + else ctx->ht.is_40mhz = false; if ((le16_to_cpu(ctx->staging.channel) != ch)) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.h b/drivers/net/wireless/iwlwifi/iwl-agn.h index d171684..5a0acab 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn.h @@ -152,6 +152,8 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, u32 changes); +void iwlagn_config_ht40(struct ieee80211_conf *conf, + struct iwl_rxon_context *ctx); /* uCode */ void iwlagn_rx_calib_result(struct iwl_priv *priv, diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index f02c34d..0ec8930 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -307,6 +307,11 @@ static inline bool dma_pte_present(struct dma_pte *pte) return (pte->val & 3) != 0; } +static inline bool dma_pte_superpage(struct dma_pte *pte) +{ + return (pte->val & (1 << 7)); +} + static inline int first_pte_in_page(struct dma_pte *pte) { return !((unsigned long)pte & ~VTD_PAGE_MASK); @@ -578,17 +583,18 @@ static void domain_update_iommu_snooping(struct dmar_domain *domain) static void domain_update_iommu_superpage(struct dmar_domain *domain) { - int i, mask = 0xf; + struct dmar_drhd_unit *drhd; + struct intel_iommu *iommu = NULL; + int mask = 0xf; if (!intel_iommu_superpage) { domain->iommu_superpage = 0; return; } - domain->iommu_superpage = 4; /* 1TiB */ - - for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) { - mask |= cap_super_page_val(g_iommus[i]->cap); + /* set iommu_superpage to the smallest common denominator */ + for_each_active_iommu(iommu, drhd) { + mask &= cap_super_page_val(iommu->cap); if (!mask) { break; } @@ -731,29 +737,23 @@ out: } static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, - unsigned long pfn, int large_level) + unsigned long pfn, int target_level) { int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; struct dma_pte *parent, *pte = NULL; int level = agaw_to_level(domain->agaw); - int offset, target_level; + int offset; BUG_ON(!domain->pgd); BUG_ON(addr_width < BITS_PER_LONG && pfn >> addr_width); parent = domain->pgd; - /* Search pte */ - if (!large_level) - target_level = 1; - else - target_level = large_level; - while (level > 0) { void *tmp_page; offset = pfn_level_offset(pfn, level); pte = &parent[offset]; - if (!large_level && (pte->val & DMA_PTE_LARGE_PAGE)) + if (!target_level && (dma_pte_superpage(pte) || !dma_pte_present(pte))) break; if (level == target_level) break; @@ -817,13 +817,14 @@ static struct dma_pte *dma_pfn_level_pte(struct dmar_domain *domain, } /* clear last level pte, a tlb flush should be followed */ -static void dma_pte_clear_range(struct dmar_domain *domain, +static int dma_pte_clear_range(struct dmar_domain *domain, unsigned long start_pfn, unsigned long last_pfn) { int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT; unsigned int large_page = 1; struct dma_pte *first_pte, *pte; + int order; BUG_ON(addr_width < BITS_PER_LONG && start_pfn >> addr_width); BUG_ON(addr_width < BITS_PER_LONG && last_pfn >> addr_width); @@ -847,6 +848,9 @@ static void dma_pte_clear_range(struct dmar_domain *domain, (void *)pte - (void *)first_pte); } while (start_pfn && start_pfn <= last_pfn); + + order = (large_page - 1) * 9; + return order; } /* free page table pages. last level pte should already be cleared */ @@ -3740,6 +3744,7 @@ static int intel_iommu_domain_init(struct iommu_domain *domain) vm_domain_exit(dmar_domain); return -ENOMEM; } + domain_update_iommu_cap(dmar_domain); domain->priv = dmar_domain; return 0; @@ -3865,14 +3870,15 @@ static int intel_iommu_unmap(struct iommu_domain *domain, { struct dmar_domain *dmar_domain = domain->priv; size_t size = PAGE_SIZE << gfp_order; + int order; - dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, + order = dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT, (iova + size - 1) >> VTD_PAGE_SHIFT); if (dmar_domain->max_addr == iova + size) dmar_domain->max_addr = iova; - return gfp_order; + return order; } static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain, diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index cf3f999..10451a1 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -101,7 +101,9 @@ static s32 scaled_ppm_to_ppb(long ppm) static int ptp_clock_getres(struct posix_clock *pc, struct timespec *tp) { - return 1; /* always round timer functions to one nanosecond */ + tp->tv_sec = 0; + tp->tv_nsec = 1; + return 0; } static int ptp_clock_settime(struct posix_clock *pc, const struct timespec *tp) diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 21ce2af..6cb7e28 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -86,6 +86,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { {USB_DEVICE(0x0DF6, 0x0045)}, {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */ {USB_DEVICE(0x0DF6, 0x004B)}, + {USB_DEVICE(0x0DF6, 0x005D)}, {USB_DEVICE(0x0DF6, 0x0063)}, /* Sweex */ {USB_DEVICE(0x177F, 0x0154)}, diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 4b9b716..1340ffd 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -2777,10 +2777,15 @@ static inline u32 transport_get_sectors_6( /* * Everything else assume TYPE_DISK Sector CDB location. - * Use 8-bit sector value. + * Use 8-bit sector value. SBC-3 says: + * + * A TRANSFER LENGTH field set to zero specifies that 256 + * logical blocks shall be written. Any other value + * specifies the number of logical blocks that shall be + * written. */ type_disk: - return (u32)cdb[4]; + return cdb[4] ? : 256; } static inline u32 transport_get_sectors_10( diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 2ffcaa0..8faa23c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1458,6 +1458,16 @@ static const struct usb_device_id acm_ids[] = { }, { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */ }, + /* Motorola H24 HSPA module: */ + { USB_DEVICE(0x22b8, 0x2d91) }, /* modem */ + { USB_DEVICE(0x22b8, 0x2d92) }, /* modem + diagnostics */ + { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port */ + { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics */ + { USB_DEVICE(0x22b8, 0x2d96) }, /* modem + NMEA */ + { USB_DEVICE(0x22b8, 0x2d97) }, /* modem + diagnostics + NMEA */ + { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port + NMEA */ + { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */ + { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */ .driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on data interface instead of diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e98a1e1..d2becb9 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -659,7 +659,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) }, - { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x08) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) }, /* E398 3G Modem */ + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) }, /* E398 3G PC UI Interface */ + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) }, /* E398 3G Application Interface */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, diff --git a/fs/dcache.c b/fs/dcache.c index fbdcbca..d2f8feb 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -2487,16 +2487,14 @@ static int prepend_name(char **buffer, int *buflen, struct qstr *name) /** * prepend_path - Prepend path string to a buffer * @path: the dentry/vfsmount to report - * @root: root vfsmnt/dentry (may be modified by this function) + * @root: root vfsmnt/dentry * @buffer: pointer to the end of the buffer * @buflen: pointer to buffer length * * Caller holds the rename_lock. - * - * If path is not reachable from the supplied root, then the value of - * root is changed (without modifying refcounts). */ -static int prepend_path(const struct path *path, struct path *root, +static int prepend_path(const struct path *path, + const struct path *root, char **buffer, int *buflen) { struct dentry *dentry = path->dentry; @@ -2531,10 +2529,10 @@ static int prepend_path(const struct path *path, struct path *root, dentry = parent; } -out: if (!error && !slash) error = prepend(buffer, buflen, "/", 1); +out: br_read_unlock(vfsmount_lock); return error; @@ -2548,15 +2546,17 @@ global_root: WARN(1, "Root dentry has weird name <%.*s>\n", (int) dentry->d_name.len, dentry->d_name.name); } - root->mnt = vfsmnt; - root->dentry = dentry; + if (!slash) + error = prepend(buffer, buflen, "/", 1); + if (!error) + error = vfsmnt->mnt_ns ? 1 : 2; goto out; } /** * __d_path - return the path of a dentry * @path: the dentry/vfsmount to report - * @root: root vfsmnt/dentry (may be modified by this function) + * @root: root vfsmnt/dentry * @buf: buffer to return value in * @buflen: buffer length * @@ -2567,10 +2567,10 @@ global_root: * * "buflen" should be positive. * - * If path is not reachable from the supplied root, then the value of - * root is changed (without modifying refcounts). + * If the path is not reachable from the supplied root, return %NULL. */ -char *__d_path(const struct path *path, struct path *root, +char *__d_path(const struct path *path, + const struct path *root, char *buf, int buflen) { char *res = buf + buflen; @@ -2581,7 +2581,28 @@ char *__d_path(const struct path *path, struct path *root, error = prepend_path(path, root, &res, &buflen); write_sequnlock(&rename_lock); - if (error) + if (error < 0) + return ERR_PTR(error); + if (error > 0) + return NULL; + return res; +} + +char *d_absolute_path(const struct path *path, + char *buf, int buflen) +{ + struct path root = {}; + char *res = buf + buflen; + int error; + + prepend(&res, &buflen, "\0", 1); + write_seqlock(&rename_lock); + error = prepend_path(path, &root, &res, &buflen); + write_sequnlock(&rename_lock); + + if (error > 1) + error = -EINVAL; + if (error < 0) return ERR_PTR(error); return res; } @@ -2589,8 +2610,9 @@ char *__d_path(const struct path *path, struct path *root, /* * same as __d_path but appends "(deleted)" for unlinked files. */ -static int path_with_deleted(const struct path *path, struct path *root, - char **buf, int *buflen) +static int path_with_deleted(const struct path *path, + const struct path *root, + char **buf, int *buflen) { prepend(buf, buflen, "\0", 1); if (d_unlinked(path->dentry)) { @@ -2627,7 +2649,6 @@ char *d_path(const struct path *path, char *buf, int buflen) { char *res = buf + buflen; struct path root; - struct path tmp; int error; /* @@ -2642,9 +2663,8 @@ char *d_path(const struct path *path, char *buf, int buflen) get_fs_root(current->fs, &root); write_seqlock(&rename_lock); - tmp = root; - error = path_with_deleted(path, &tmp, &res, &buflen); - if (error) + error = path_with_deleted(path, &root, &res, &buflen); + if (error < 0) res = ERR_PTR(error); write_sequnlock(&rename_lock); path_put(&root); @@ -2665,7 +2685,6 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen) { char *res = buf + buflen; struct path root; - struct path tmp; int error; if (path->dentry->d_op && path->dentry->d_op->d_dname) @@ -2673,9 +2692,8 @@ char *d_path_with_unreachable(const struct path *path, char *buf, int buflen) get_fs_root(current->fs, &root); write_seqlock(&rename_lock); - tmp = root; - error = path_with_deleted(path, &tmp, &res, &buflen); - if (!error && !path_equal(&tmp, &root)) + error = path_with_deleted(path, &root, &res, &buflen); + if (error > 0) error = prepend_unreachable(&res, &buflen); write_sequnlock(&rename_lock); path_put(&root); @@ -2806,19 +2824,18 @@ SYSCALL_DEFINE2(getcwd, char __user *, buf, unsigned long, size) write_seqlock(&rename_lock); if (!d_unlinked(pwd.dentry)) { unsigned long len; - struct path tmp = root; char *cwd = page + PAGE_SIZE; int buflen = PAGE_SIZE; prepend(&cwd, &buflen, "\0", 1); - error = prepend_path(&pwd, &tmp, &cwd, &buflen); + error = prepend_path(&pwd, &root, &cwd, &buflen); write_sequnlock(&rename_lock); - if (error) + if (error < 0) goto out; /* Unreachable from current root */ - if (!path_equal(&tmp, &root)) { + if (error > 0) { error = prepend_unreachable(&cwd, &buflen); if (error) goto out; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1265904..af09060 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2126,8 +2126,11 @@ static int mpage_da_submit_io(struct mpage_da_data *mpd, clear_buffer_unwritten(bh); } - /* skip page if block allocation undone */ - if (buffer_delay(bh) || buffer_unwritten(bh)) + /* + * skip page if block allocation undone and + * block is dirty + */ + if (ext4_bh_delay_or_unwritten(NULL, bh)) skip_page = 1; bh = bh->b_this_page; block_start += bh->b_size; @@ -3231,7 +3234,7 @@ static int ext4_da_write_end(struct file *file, */ new_i_size = pos + copied; - if (new_i_size > EXT4_I(inode)->i_disksize) { + if (copied && new_i_size > EXT4_I(inode)->i_disksize) { if (ext4_da_should_update_i_disksize(page, end)) { down_write(&EXT4_I(inode)->i_data_sem); if (new_i_size > EXT4_I(inode)->i_disksize) { diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index bd6a85e..d99d74a 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -405,6 +405,18 @@ int ext4_bio_write_page(struct ext4_io_submit *io, block_end = block_start + blocksize; if (block_start >= len) { + /* + * Comments copied from block_write_full_page_endio: + * + * The page straddles i_size. It must be zeroed out on + * each and every writepage invocation because it may + * be mmapped. "A file is mapped in multiples of the + * page size. For a file that is not a multiple of + * the page size, the remaining memory is zeroed when + * mapped, and writes to that region are not written + * out to the file." + */ + zero_user_segment(page, block_start, block_end); clear_buffer_dirty(bh); set_buffer_uptodate(bh); continue; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 111ed9d..7aa77f0 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1113,9 +1113,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) seq_puts(seq, ",block_validity"); if (!test_opt(sb, INIT_INODE_TABLE)) - seq_puts(seq, ",noinit_inode_table"); + seq_puts(seq, ",noinit_itable"); else if (sbi->s_li_wait_mult != EXT4_DEF_LI_WAIT_MULT) - seq_printf(seq, ",init_inode_table=%u", + seq_printf(seq, ",init_itable=%u", (unsigned) sbi->s_li_wait_mult); ext4_show_quota_options(seq, sb); @@ -1291,8 +1291,7 @@ enum { Opt_nomblk_io_submit, Opt_block_validity, Opt_noblock_validity, Opt_inode_readahead_blks, Opt_journal_ioprio, Opt_dioread_nolock, Opt_dioread_lock, - Opt_discard, Opt_nodiscard, - Opt_init_inode_table, Opt_noinit_inode_table, + Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable, }; static const match_table_t tokens = { @@ -1365,9 +1364,9 @@ static const match_table_t tokens = { {Opt_dioread_lock, "dioread_lock"}, {Opt_discard, "discard"}, {Opt_nodiscard, "nodiscard"}, - {Opt_init_inode_table, "init_itable=%u"}, - {Opt_init_inode_table, "init_itable"}, - {Opt_noinit_inode_table, "noinit_itable"}, + {Opt_init_itable, "init_itable=%u"}, + {Opt_init_itable, "init_itable"}, + {Opt_noinit_itable, "noinit_itable"}, {Opt_err, NULL}, }; @@ -1844,7 +1843,7 @@ set_qf_format: case Opt_dioread_lock: clear_opt(sb, DIOREAD_NOLOCK); break; - case Opt_init_inode_table: + case Opt_init_itable: set_opt(sb, INIT_INODE_TABLE); if (args[0].from) { if (match_int(&args[0], &option)) @@ -1855,7 +1854,7 @@ set_qf_format: return 0; sbi->s_li_wait_mult = option; break; - case Opt_noinit_inode_table: + case Opt_noinit_itable: clear_opt(sb, INIT_INODE_TABLE); break; default: diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 5cb8614..2aaf3ea 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1512,7 +1512,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, else if (outarg->offset + num > file_size) num = file_size - outarg->offset; - while (num) { + while (num && req->num_pages < FUSE_MAX_PAGES_PER_REQ) { struct page *page; unsigned int this_num; @@ -1526,6 +1526,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, num -= this_num; total_len += this_num; + index++; } req->misc.retrieve_in.offset = outarg->offset; req->misc.retrieve_in.size = total_len; diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 3ebc437..1cbdeea 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -46,11 +46,26 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke case HFS_EXT_CNID: hfs_inode_read_fork(tree->inode, mdb->drXTExtRec, mdb->drXTFlSize, mdb->drXTFlSize, be32_to_cpu(mdb->drXTClpSiz)); + if (HFS_I(tree->inode)->alloc_blocks > + HFS_I(tree->inode)->first_blocks) { + printk(KERN_ERR "hfs: invalid btree extent records\n"); + unlock_new_inode(tree->inode); + goto free_inode; + } + tree->inode->i_mapping->a_ops = &hfs_btree_aops; break; case HFS_CAT_CNID: hfs_inode_read_fork(tree->inode, mdb->drCTExtRec, mdb->drCTFlSize, mdb->drCTFlSize, be32_to_cpu(mdb->drCTClpSiz)); + + if (!HFS_I(tree->inode)->first_blocks) { + printk(KERN_ERR "hfs: invalid btree extent records " + "(0 size).\n"); + unlock_new_inode(tree->inode); + goto free_inode; + } + tree->inode->i_mapping->a_ops = &hfs_btree_aops; break; default: @@ -59,11 +74,6 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke } unlock_new_inode(tree->inode); - if (!HFS_I(tree->inode)->first_blocks) { - printk(KERN_ERR "hfs: invalid btree extent records (0 size).\n"); - goto free_inode; - } - mapping = tree->inode->i_mapping; page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index e2d4285..9f36384 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -1131,6 +1131,14 @@ static int journal_get_superblock(journal_t *journal) goto out; } + if (be32_to_cpu(sb->s_first) == 0 || + be32_to_cpu(sb->s_first) >= journal->j_maxlen) { + printk(KERN_WARNING + "JBD: Invalid start block of journal: %u\n", + be32_to_cpu(sb->s_first)); + goto out; + } + return 0; out: diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 0dfa5b5..40c5fb7 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1251,6 +1251,14 @@ static int journal_get_superblock(journal_t *journal) goto out; } + if (be32_to_cpu(sb->s_first) == 0 || + be32_to_cpu(sb->s_first) >= journal->j_maxlen) { + printk(KERN_WARNING + "JBD2: Invalid start block of journal: %u\n", + be32_to_cpu(sb->s_first)); + goto out; + } + return 0; out: diff --git a/fs/namespace.c b/fs/namespace.c index 537dd96..edc1c4a 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1048,15 +1048,12 @@ static int show_mountinfo(struct seq_file *m, void *v) if (err) goto out; seq_putc(m, ' '); - seq_path_root(m, &mnt_path, &root, " \t\n\\"); - if (root.mnt != p->root.mnt || root.dentry != p->root.dentry) { - /* - * Mountpoint is outside root, discard that one. Ugly, - * but less so than trying to do that in iterator in a - * race-free way (due to renames). - */ - return SEQ_SKIP; - } + + /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ + err = seq_path_root(m, &mnt_path, &root, " \t\n\\"); + if (err) + goto out; + seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); show_mnt_opts(m, mnt); @@ -2725,3 +2722,8 @@ struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) return vfs_kern_mount(type, MS_KERNMOUNT, type->name, data); } EXPORT_SYMBOL_GPL(kern_mount_data); + +bool our_mnt(struct vfsmount *mnt) +{ + return check_mnt(mnt); +} diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index ed257d1..a962827 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -131,12 +131,13 @@ static int meminfo_proc_show(struct seq_file *m, void *v) K(i.freeswap), K(global_page_state(NR_FILE_DIRTY)), K(global_page_state(NR_WRITEBACK)), - K(global_page_state(NR_ANON_PAGES) #ifdef CONFIG_TRANSPARENT_HUGEPAGE + K(global_page_state(NR_ANON_PAGES) + global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR + HPAGE_PMD_NR), +#else + K(global_page_state(NR_ANON_PAGES)), #endif - ), K(global_page_state(NR_FILE_MAPPED)), K(global_page_state(NR_SHMEM)), K(global_page_state(NR_SLAB_RECLAIMABLE) + diff --git a/fs/seq_file.c b/fs/seq_file.c index 05d6b0e..dba43c3 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -449,8 +449,6 @@ EXPORT_SYMBOL(seq_path); /* * Same as seq_path, but relative to supplied root. - * - * root may be changed, see __d_path(). */ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, char *esc) @@ -463,6 +461,8 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, char *p; p = __d_path(path, root, buf, size); + if (!p) + return SEQ_SKIP; res = PTR_ERR(p); if (!IS_ERR(p)) { char *end = mangle_path(buf, p, esc); @@ -474,7 +474,7 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, } seq_commit(m, res); - return res < 0 ? res : 0; + return res < 0 && res != -ENAMETOOLONG ? res : 0; } /* diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c index f4f878f..fed3f3c 100644 --- a/fs/xfs/linux-2.6/xfs_export.c +++ b/fs/xfs/linux-2.6/xfs_export.c @@ -98,22 +98,22 @@ xfs_fs_encode_fh( switch (fileid_type) { case FILEID_INO32_GEN_PARENT: spin_lock(&dentry->d_lock); - fid->i32.parent_ino = dentry->d_parent->d_inode->i_ino; + fid->i32.parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino; fid->i32.parent_gen = dentry->d_parent->d_inode->i_generation; spin_unlock(&dentry->d_lock); /*FALLTHRU*/ case FILEID_INO32_GEN: - fid->i32.ino = inode->i_ino; + fid->i32.ino = XFS_I(inode)->i_ino; fid->i32.gen = inode->i_generation; break; case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG: spin_lock(&dentry->d_lock); - fid64->parent_ino = dentry->d_parent->d_inode->i_ino; + fid64->parent_ino = XFS_I(dentry->d_parent->d_inode)->i_ino; fid64->parent_gen = dentry->d_parent->d_inode->i_generation; spin_unlock(&dentry->d_lock); /*FALLTHRU*/ case FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG: - fid64->ino = inode->i_ino; + fid64->ino = XFS_I(inode)->i_ino; fid64->gen = inode->i_generation; break; } diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 01d2072..99d4011 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -822,17 +822,9 @@ xfs_attr_inactive(xfs_inode_t *dp) error = xfs_attr_root_inactive(&trans, dp); if (error) goto out; - /* - * signal synchronous inactive transactions unless this - * is a synchronous mount filesystem in which case we - * know that we're here because we've been called out of - * xfs_inactive which means that the last reference is gone - * and the unlink transaction has already hit the disk so - * async inactive transactions are safe. - */ - if ((error = xfs_itruncate_finish(&trans, dp, 0LL, XFS_ATTR_FORK, - (!(mp->m_flags & XFS_MOUNT_WSYNC) - ? 1 : 0)))) + + error = xfs_itruncate_finish(&trans, dp, 0LL, XFS_ATTR_FORK, 0); + if (error) goto out; /* diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index e546a33..a175933 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -3785,19 +3785,11 @@ xfs_bmap_compute_maxlevels( * Routine to be called at transaction's end by xfs_bmapi, xfs_bunmapi * caller. Frees all the extents that need freeing, which must be done * last due to locking considerations. We never free any extents in - * the first transaction. This is to allow the caller to make the first - * transaction a synchronous one so that the pointers to the data being - * broken in this transaction will be permanent before the data is actually - * freed. This is necessary to prevent blocks from being reallocated - * and written to before the free and reallocation are actually permanent. - * We do not just make the first transaction synchronous here, because - * there are more efficient ways to gain the same protection in some cases - * (see the file truncation code). + * the first transaction. * * Return 1 if the given transaction was committed and a new one * started, and 0 otherwise in the committed parameter. */ -/*ARGSUSED*/ int /* error */ xfs_bmap_finish( xfs_trans_t **tp, /* transaction pointer addr */ diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index c6888a4..5715279 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1528,15 +1528,7 @@ xfs_itruncate_finish( xfs_trans_log_inode(ntp, ip, XFS_ILOG_CORE); } } - } else if (sync) { - ASSERT(!(mp->m_flags & XFS_MOUNT_WSYNC)); - if (ip->i_d.di_anextents > 0) - xfs_trans_set_sync(ntp); } - ASSERT(fork == XFS_DATA_FORK || - (fork == XFS_ATTR_FORK && - ((sync && !(mp->m_flags & XFS_MOUNT_WSYNC)) || - (sync == 0 && (mp->m_flags & XFS_MOUNT_WSYNC))))); /* * Since it is possible for space to become allocated beyond diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 4e4fbb8..14b6cd0 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -182,8 +182,11 @@ {0x1002, 0x6748, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6758, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6759, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x675B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x675D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x675F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6760, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6761, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -195,8 +198,10 @@ {0x1002, 0x6767, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6768, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6770, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x6772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6778, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6779, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x677B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CAICOS|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6840, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6841, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x6842, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TURKS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -246,6 +251,7 @@ {0x1002, 0x68f2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x68fa, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \ {0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ @@ -488,6 +494,8 @@ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ @@ -502,6 +510,8 @@ {0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9808, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9809, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 19d90a5..8f848e4 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -340,7 +340,8 @@ extern int d_validate(struct dentry *, struct dentry *); */ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); -extern char *__d_path(const struct path *path, struct path *root, char *, int); +extern char *__d_path(const struct path *, const struct path *, char *, int); +extern char *d_absolute_path(const struct path *, char *, int); extern char *d_path(const struct path *, char *, int); extern char *d_path_with_unreachable(const struct path *, char *, int); extern char *dentry_path_raw(struct dentry *, char *, int); diff --git a/include/linux/fs.h b/include/linux/fs.h index b5b9792..7b17db7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1882,6 +1882,7 @@ extern int fd_statfs(int, struct kstatfs *); extern int statfs_by_dentry(struct dentry *, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); +extern bool our_mnt(struct vfsmount *mnt); extern int current_umask(void); diff --git a/include/linux/log2.h b/include/linux/log2.h index 25b8086..fd7ff3d 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -185,7 +185,6 @@ unsigned long __rounddown_pow_of_two(unsigned long n) #define rounddown_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 0 : \ (1UL << ilog2(n))) : \ __rounddown_pow_of_two(n) \ ) diff --git a/kernel/taskstats.c b/kernel/taskstats.c index fc0f220..8d597b1 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -657,6 +657,7 @@ static struct genl_ops taskstats_ops = { .cmd = TASKSTATS_CMD_GET, .doit = taskstats_user_cmd, .policy = taskstats_cmd_get_policy, + .flags = GENL_ADMIN_PERM, }; static struct genl_ops cgroupstats_ops = { diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index ea5e1a9..8b70c76 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -181,7 +181,7 @@ static enum hrtimer_restart alarmtimer_fired(struct hrtimer *timer) struct alarm *alarm; ktime_t expired = next->expires; - if (expired.tv64 >= now.tv64) + if (expired.tv64 > now.tv64) break; alarm = container_of(next, struct alarm, node); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2b57cd9..80936a1 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -575,6 +575,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order) __SetPageHead(page); for (i = 1; i < nr_pages; i++, p = mem_map_next(p, page, i)) { __SetPageTail(p); + set_page_count(p, 0); p->first_page = page; } } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0f50cdb..8439d2a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -355,8 +355,8 @@ void prep_compound_page(struct page *page, unsigned long order) __SetPageHead(page); for (i = 1; i < nr_pages; i++) { struct page *p = page + i; - __SetPageTail(p); + set_page_count(p, 0); p->first_page = page; } } @@ -3388,9 +3388,15 @@ static void setup_zone_migrate_reserve(struct zone *zone) unsigned long block_migratetype; int reserve; - /* Get the start pfn, end pfn and the number of blocks to reserve */ + /* + * Get the start pfn, end pfn and the number of blocks to reserve + * We have to be careful to be aligned to pageblock_nr_pages to + * make sure that we always check pfn_valid for the first page in + * the block. + */ start_pfn = zone->zone_start_pfn; end_pfn = start_pfn + zone->spanned_pages; + start_pfn = roundup(start_pfn, pageblock_nr_pages); reserve = roundup(min_wmark_pages(zone), pageblock_nr_pages) >> pageblock_order; diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c index ea53496..bfad724 100644 --- a/mm/percpu-vm.c +++ b/mm/percpu-vm.c @@ -143,8 +143,8 @@ static void pcpu_pre_unmap_flush(struct pcpu_chunk *chunk, int page_start, int page_end) { flush_cache_vunmap( - pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start), - pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end)); + pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start), + pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end)); } static void __pcpu_unmap_pages(unsigned long addr, int nr_pages) @@ -206,8 +206,8 @@ static void pcpu_post_unmap_tlb_flush(struct pcpu_chunk *chunk, int page_start, int page_end) { flush_tlb_kernel_range( - pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start), - pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end)); + pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start), + pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end)); } static int __pcpu_map_pages(unsigned long addr, struct page **pages, @@ -284,8 +284,8 @@ static void pcpu_post_map_flush(struct pcpu_chunk *chunk, int page_start, int page_end) { flush_cache_vmap( - pcpu_chunk_addr(chunk, pcpu_first_unit_cpu, page_start), - pcpu_chunk_addr(chunk, pcpu_last_unit_cpu, page_end)); + pcpu_chunk_addr(chunk, pcpu_low_unit_cpu, page_start), + pcpu_chunk_addr(chunk, pcpu_high_unit_cpu, page_end)); } /** diff --git a/mm/percpu.c b/mm/percpu.c index bf80e55..93b5a7c 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -116,9 +116,9 @@ static int pcpu_atom_size __read_mostly; static int pcpu_nr_slots __read_mostly; static size_t pcpu_chunk_struct_size __read_mostly; -/* cpus with the lowest and highest unit numbers */ -static unsigned int pcpu_first_unit_cpu __read_mostly; -static unsigned int pcpu_last_unit_cpu __read_mostly; +/* cpus with the lowest and highest unit addresses */ +static unsigned int pcpu_low_unit_cpu __read_mostly; +static unsigned int pcpu_high_unit_cpu __read_mostly; /* the address of the first chunk which starts with the kernel static area */ void *pcpu_base_addr __read_mostly; @@ -984,19 +984,19 @@ phys_addr_t per_cpu_ptr_to_phys(void *addr) { void __percpu *base = __addr_to_pcpu_ptr(pcpu_base_addr); bool in_first_chunk = false; - unsigned long first_start, first_end; + unsigned long first_low, first_high; unsigned int cpu; /* - * The following test on first_start/end isn't strictly + * The following test on unit_low/high isn't strictly * necessary but will speed up lookups of addresses which * aren't in the first chunk. */ - first_start = pcpu_chunk_addr(pcpu_first_chunk, pcpu_first_unit_cpu, 0); - first_end = pcpu_chunk_addr(pcpu_first_chunk, pcpu_last_unit_cpu, - pcpu_unit_pages); - if ((unsigned long)addr >= first_start && - (unsigned long)addr < first_end) { + first_low = pcpu_chunk_addr(pcpu_first_chunk, pcpu_low_unit_cpu, 0); + first_high = pcpu_chunk_addr(pcpu_first_chunk, pcpu_high_unit_cpu, + pcpu_unit_pages); + if ((unsigned long)addr >= first_low && + (unsigned long)addr < first_high) { for_each_possible_cpu(cpu) { void *start = per_cpu_ptr(base, cpu); @@ -1233,7 +1233,9 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, for (cpu = 0; cpu < nr_cpu_ids; cpu++) unit_map[cpu] = UINT_MAX; - pcpu_first_unit_cpu = NR_CPUS; + + pcpu_low_unit_cpu = NR_CPUS; + pcpu_high_unit_cpu = NR_CPUS; for (group = 0, unit = 0; group < ai->nr_groups; group++, unit += i) { const struct pcpu_group_info *gi = &ai->groups[group]; @@ -1253,9 +1255,13 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, unit_map[cpu] = unit + i; unit_off[cpu] = gi->base_offset + i * ai->unit_size; - if (pcpu_first_unit_cpu == NR_CPUS) - pcpu_first_unit_cpu = cpu; - pcpu_last_unit_cpu = cpu; + /* determine low/high unit_cpu */ + if (pcpu_low_unit_cpu == NR_CPUS || + unit_off[cpu] < unit_off[pcpu_low_unit_cpu]) + pcpu_low_unit_cpu = cpu; + if (pcpu_high_unit_cpu == NR_CPUS || + unit_off[cpu] > unit_off[pcpu_high_unit_cpu]) + pcpu_high_unit_cpu = cpu; } } pcpu_nr_units = unit; diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 65d5fd2..43b44db 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1648,6 +1648,8 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, return NULL; addr = __vmalloc_area_node(area, gfp_mask, prot, node, caller); + if (!addr) + return NULL; /* * In this function, newly allocated vm_struct is not added diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 42a59c2..db7db43 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -792,12 +792,27 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, goto out; } - del_timer(&tid_tx->addba_resp_timer); + del_timer_sync(&tid_tx->addba_resp_timer); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "switched off addBA timer for tid %d\n", tid); #endif + /* + * addba_resp_timer may have fired before we got here, and + * caused WANT_STOP to be set. If the stop then was already + * processed further, STOPPING might be set. + */ + if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) || + test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { +#ifdef CONFIG_MAC80211_HT_DEBUG + printk(KERN_DEBUG + "got addBA resp for tid %d but we already gave up\n", + tid); +#endif + goto out; + } + if (le16_to_cpu(mgmt->u.action.u.addba_resp.status) == WLAN_STATUS_SUCCESS) { /* diff --git a/security/apparmor/path.c b/security/apparmor/path.c index 36cc0cc..b566eba 100644 --- a/security/apparmor/path.c +++ b/security/apparmor/path.c @@ -57,23 +57,44 @@ static int prepend(char **buffer, int buflen, const char *str, int namelen) static int d_namespace_path(struct path *path, char *buf, int buflen, char **name, int flags) { - struct path root, tmp; char *res; - int connected, error = 0; + int error = 0; + int connected = 1; + + if (path->mnt->mnt_flags & MNT_INTERNAL) { + /* it's not mounted anywhere */ + res = dentry_path(path->dentry, buf, buflen); + *name = res; + if (IS_ERR(res)) { + *name = buf; + return PTR_ERR(res); + } + if (path->dentry->d_sb->s_magic == PROC_SUPER_MAGIC && + strncmp(*name, "/sys/", 5) == 0) { + /* TODO: convert over to using a per namespace + * control instead of hard coded /proc + */ + return prepend(name, *name - buf, "/proc", 5); + } + return 0; + } - /* Get the root we want to resolve too, released below */ + /* resolve paths relative to chroot?*/ if (flags & PATH_CHROOT_REL) { - /* resolve paths relative to chroot */ + struct path root; get_fs_root(current->fs, &root); - } else { - /* resolve paths relative to namespace */ - root.mnt = current->nsproxy->mnt_ns->root; - root.dentry = root.mnt->mnt_root; - path_get(&root); + res = __d_path(path, &root, buf, buflen); + if (res && !IS_ERR(res)) { + /* everything's fine */ + *name = res; + path_put(&root); + goto ok; + } + path_put(&root); + connected = 0; } - tmp = root; - res = __d_path(path, &tmp, buf, buflen); + res = d_absolute_path(path, buf, buflen); *name = res; /* handle error conditions - and still allow a partial path to @@ -84,7 +105,10 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, *name = buf; goto out; } + if (!our_mnt(path->mnt)) + connected = 0; +ok: /* Handle two cases: * 1. A deleted dentry && profile is not allowing mediation of deleted * 2. On some filesystems, newly allocated dentries appear to the @@ -97,10 +121,7 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, goto out; } - /* Determine if the path is connected to the expected root */ - connected = tmp.dentry == root.dentry && tmp.mnt == root.mnt; - - /* If the path is not connected, + /* If the path is not connected to the expected root, * check if it is a sysctl and handle specially else remove any * leading / that __d_path may have returned. * Unless @@ -112,17 +133,9 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, * namespace root. */ if (!connected) { - /* is the disconnect path a sysctl? */ - if (tmp.dentry->d_sb->s_magic == PROC_SUPER_MAGIC && - strncmp(*name, "/sys/", 5) == 0) { - /* TODO: convert over to using a per namespace - * control instead of hard coded /proc - */ - error = prepend(name, *name - buf, "/proc", 5); - } else if (!(flags & PATH_CONNECT_PATH) && + if (!(flags & PATH_CONNECT_PATH) && !(((flags & CHROOT_NSCONNECT) == CHROOT_NSCONNECT) && - (tmp.mnt == current->nsproxy->mnt_ns->root && - tmp.dentry == tmp.mnt->mnt_root))) { + our_mnt(path->mnt))) { /* disconnected path, don't return pathname starting * with '/' */ @@ -133,8 +146,6 @@ static int d_namespace_path(struct path *path, char *buf, int buflen, } out: - path_put(&root); - return error; } diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index d1e05b0..a339187 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -95,7 +95,6 @@ char *tomoyo_realpath_from_path(struct path *path) return NULL; is_dir = dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode); while (1) { - struct path ns_root = { .mnt = NULL, .dentry = NULL }; char *pos; buf_len <<= 1; kfree(buf); @@ -128,8 +127,12 @@ char *tomoyo_realpath_from_path(struct path *path) /* If we don't have a vfsmount, we can't calculate. */ if (!path->mnt) break; - /* go to whatever namespace root we are under */ - pos = __d_path(path, &ns_root, buf, buf_len); + pos = d_absolute_path(path, buf, buf_len - 1); + /* If path is disconnected, use "[unknown]" instead. */ + if (pos == ERR_PTR(-EINVAL)) { + name = tomoyo_encode("[unknown]"); + break; + } /* Prepend "/proc" prefix if using internal proc vfs mount. */ if (!IS_ERR(pos) && (path->mnt->mnt_flags & MNT_INTERNAL) && (path->mnt->mnt_sb->s_magic == PROC_SUPER_MAGIC)) { diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e7dc034..eb0a141 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -509,6 +509,8 @@ static int alc_mux_enum_put(struct snd_kcontrol *kcontrol, imux = &spec->input_mux[mux_idx]; if (!imux->num_items && mux_idx > 0) imux = &spec->input_mux[0]; + if (!imux->num_items) + return 0; type = get_wcaps_type(get_wcaps(codec, nid)); if (type == AC_WID_AUD_MIX) { diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c index 2b5c7a95..5fe840b 100644 --- a/sound/pci/sis7019.c +++ b/sound/pci/sis7019.c @@ -41,6 +41,7 @@ MODULE_SUPPORTED_DEVICE("{{SiS,SiS7019 Audio Accelerator}}"); static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ static int enable = 1; +static int codecs = 1; module_param(index, int, 0444); MODULE_PARM_DESC(index, "Index value for SiS7019 Audio Accelerator."); @@ -48,6 +49,8 @@ module_param(id, charp, 0444); MODULE_PARM_DESC(id, "ID string for SiS7019 Audio Accelerator."); module_param(enable, bool, 0444); MODULE_PARM_DESC(enable, "Enable SiS7019 Audio Accelerator."); +module_param(codecs, int, 0444); +MODULE_PARM_DESC(codecs, "Set bit to indicate that codec number is expected to be present (default 1)"); static DEFINE_PCI_DEVICE_TABLE(snd_sis7019_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x7019) }, @@ -140,6 +143,9 @@ struct sis7019 { dma_addr_t silence_dma_addr; }; +/* These values are also used by the module param 'codecs' to indicate + * which codecs should be present. + */ #define SIS_PRIMARY_CODEC_PRESENT 0x0001 #define SIS_SECONDARY_CODEC_PRESENT 0x0002 #define SIS_TERTIARY_CODEC_PRESENT 0x0004 @@ -1078,6 +1084,7 @@ static int sis_chip_init(struct sis7019 *sis) { unsigned long io = sis->ioport; void __iomem *ioaddr = sis->ioaddr; + unsigned long timeout; u16 status; int count; int i; @@ -1104,21 +1111,45 @@ static int sis_chip_init(struct sis7019 *sis) while ((inw(io + SIS_AC97_STATUS) & SIS_AC97_STATUS_BUSY) && --count) udelay(1); + /* Command complete, we can let go of the semaphore now. + */ + outl(SIS_AC97_SEMA_RELEASE, io + SIS_AC97_SEMA); + if (!count) + return -EIO; + /* Now that we've finished the reset, find out what's attached. + * There are some codec/board combinations that take an extremely + * long time to come up. 350+ ms has been observed in the field, + * so we'll give them up to 500ms. */ - status = inl(io + SIS_AC97_STATUS); - if (status & SIS_AC97_STATUS_CODEC_READY) - sis->codecs_present |= SIS_PRIMARY_CODEC_PRESENT; - if (status & SIS_AC97_STATUS_CODEC2_READY) - sis->codecs_present |= SIS_SECONDARY_CODEC_PRESENT; - if (status & SIS_AC97_STATUS_CODEC3_READY) - sis->codecs_present |= SIS_TERTIARY_CODEC_PRESENT; - - /* All done, let go of the semaphore, and check for errors + sis->codecs_present = 0; + timeout = msecs_to_jiffies(500) + jiffies; + while (time_before_eq(jiffies, timeout)) { + status = inl(io + SIS_AC97_STATUS); + if (status & SIS_AC97_STATUS_CODEC_READY) + sis->codecs_present |= SIS_PRIMARY_CODEC_PRESENT; + if (status & SIS_AC97_STATUS_CODEC2_READY) + sis->codecs_present |= SIS_SECONDARY_CODEC_PRESENT; + if (status & SIS_AC97_STATUS_CODEC3_READY) + sis->codecs_present |= SIS_TERTIARY_CODEC_PRESENT; + + if (sis->codecs_present == codecs) + break; + + msleep(1); + } + + /* All done, check for errors. */ - outl(SIS_AC97_SEMA_RELEASE, io + SIS_AC97_SEMA); - if (!sis->codecs_present || !count) + if (!sis->codecs_present) { + printk(KERN_ERR "sis7019: could not find any codecs\n"); return -EIO; + } + + if (sis->codecs_present != codecs) { + printk(KERN_WARNING "sis7019: missing codecs, found %0x, expected %0x\n", + sis->codecs_present, codecs); + } /* Let the hardware know that the audio driver is alive, * and enable PCM slots on the AC-link for L/R playback (3 & 4) and @@ -1390,6 +1421,17 @@ static int __devinit snd_sis7019_probe(struct pci_dev *pci, if (!enable) goto error_out; + /* The user can specify which codecs should be present so that we + * can wait for them to show up if they are slow to recover from + * the AC97 cold reset. We default to a single codec, the primary. + * + * We assume that SIS_PRIMARY_*_PRESENT matches bits 0-2. + */ + codecs &= SIS_PRIMARY_CODEC_PRESENT | SIS_SECONDARY_CODEC_PRESENT | + SIS_TERTIARY_CODEC_PRESENT; + if (!codecs) + codecs = SIS_PRIMARY_CODEC_PRESENT; + rc = snd_card_create(index, id, THIS_MODULE, sizeof(*sis), &card); if (rc < 0) goto error_out; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 59abd84..493ae7c 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1257,7 +1257,7 @@ static void soc_resume_deferred(struct work_struct *work) int snd_soc_resume(struct device *dev) { struct snd_soc_card *card = dev_get_drvdata(dev); - int i; + int i, ac97_control = 0; /* AC97 devices might have other drivers hanging off them so * need to resume immediately. Other drivers don't have that @@ -1266,14 +1266,15 @@ int snd_soc_resume(struct device *dev) */ for (i = 0; i < card->num_rtd; i++) { struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; - if (cpu_dai->driver->ac97_control) { - dev_dbg(dev, "Resuming AC97 immediately\n"); - soc_resume_deferred(&card->deferred_resume_work); - } else { - dev_dbg(dev, "Scheduling resume work\n"); - if (!schedule_work(&card->deferred_resume_work)) - dev_err(dev, "resume work item may be lost\n"); - } + ac97_control |= cpu_dai->driver->ac97_control; + } + if (ac97_control) { + dev_dbg(dev, "Resuming AC97 immediately\n"); + soc_resume_deferred(&card->deferred_resume_work); + } else { + dev_dbg(dev, "Scheduling resume work\n"); + if (!schedule_work(&card->deferred_resume_work)) + dev_err(dev, "resume work item may be lost\n"); } return 0; diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c index ec921ec..cd987de 100644 --- a/sound/soc/soc-utils.c +++ b/sound/soc/soc-utils.c @@ -57,7 +57,36 @@ int snd_soc_params_to_bclk(struct snd_pcm_hw_params *params) } EXPORT_SYMBOL_GPL(snd_soc_params_to_bclk); -static struct snd_soc_platform_driver dummy_platform; +static const struct snd_pcm_hardware dummy_dma_hardware = { + .formats = 0xffffffff, + .channels_min = 1, + .channels_max = UINT_MAX, + + /* Random values to keep userspace happy when checking constraints */ + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER, + .buffer_bytes_max = 128*1024, + .period_bytes_min = PAGE_SIZE, + .period_bytes_max = PAGE_SIZE*2, + .periods_min = 2, + .periods_max = 128, +}; + +static int dummy_dma_open(struct snd_pcm_substream *substream) +{ + snd_soc_set_runtime_hwparams(substream, &dummy_dma_hardware); + + return 0; +} + +static struct snd_pcm_ops dummy_dma_ops = { + .open = dummy_dma_open, + .ioctl = snd_pcm_lib_ioctl, +}; + +static struct snd_soc_platform_driver dummy_platform = { + .ops = &dummy_dma_ops, +}; static __devinit int snd_soc_dummy_probe(struct platform_device *pdev) {
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