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SubjectRe: Linux 4.4.230
Date
diff --git a/Makefile b/Makefile
index 99b211904ac5..847f2537d39d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 229
+SUBLEVEL = 230
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 6abd6b41c13d..36472fc266fd 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2080,6 +2080,7 @@ static void configure_status(void)

change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
status_set);
+ back_to_back_c0_hazard();
}

/* configure HWRENA register */
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index cf3975ee4fd8..c48ddeb6c328 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -130,21 +130,15 @@ EXPORT_SYMBOL_GPL(af_alg_release);
void af_alg_release_parent(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
- unsigned int nokey = ask->nokey_refcnt;
- bool last = nokey && !ask->refcnt;
+ unsigned int nokey = atomic_read(&ask->nokey_refcnt);

sk = ask->parent;
ask = alg_sk(sk);

- local_bh_disable();
- bh_lock_sock(sk);
- ask->nokey_refcnt -= nokey;
- if (!last)
- last = !--ask->refcnt;
- bh_unlock_sock(sk);
- local_bh_enable();
+ if (nokey)
+ atomic_dec(&ask->nokey_refcnt);

- if (last)
+ if (atomic_dec_and_test(&ask->refcnt))
sock_put(sk);
}
EXPORT_SYMBOL_GPL(af_alg_release_parent);
@@ -189,7 +183,7 @@ static int alg_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)

err = -EBUSY;
lock_sock(sk);
- if (ask->refcnt | ask->nokey_refcnt)
+ if (atomic_read(&ask->refcnt))
goto unlock;

swap(ask->type, type);
@@ -238,7 +232,7 @@ static int alg_setsockopt(struct socket *sock, int level, int optname,
int err = -EBUSY;

lock_sock(sk);
- if (ask->refcnt)
+ if (atomic_read(&ask->refcnt) != atomic_read(&ask->nokey_refcnt))
goto unlock;

type = ask->type;
@@ -305,12 +299,14 @@ int af_alg_accept(struct sock *sk, struct socket *newsock)

sk2->sk_family = PF_ALG;

- if (nokey || !ask->refcnt++)
+ if (atomic_inc_return_relaxed(&ask->refcnt) == 1)
sock_hold(sk);
- ask->nokey_refcnt += nokey;
+ if (nokey) {
+ atomic_inc(&ask->nokey_refcnt);
+ atomic_set(&alg_sk(sk2)->nokey_refcnt, 1);
+ }
alg_sk(sk2)->parent = sk;
alg_sk(sk2)->type = type;
- alg_sk(sk2)->nokey_refcnt = nokey;

newsock->ops = type->ops;
newsock->state = SS_CONNECTED;
diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index faea9d728fd2..c50175ad5485 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -528,7 +528,7 @@ static int aead_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);

lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;

psk = ask->parent;
@@ -540,11 +540,8 @@ static int aead_check_key(struct socket *sock)
if (!tfm->has_key)
goto unlock;

- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);

err = 0;

diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 8d8b3eeba725..fd23261f1d16 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -252,7 +252,7 @@ static int hash_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);

lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;

psk = ask->parent;
@@ -264,11 +264,8 @@ static int hash_check_key(struct socket *sock)
if (!tfm->has_key)
goto unlock;

- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);

err = 0;

diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 9bd4691cc5c5..0e200bf5aa82 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -774,7 +774,7 @@ static int skcipher_check_key(struct socket *sock)
struct alg_sock *ask = alg_sk(sk);

lock_sock(sk);
- if (ask->refcnt)
+ if (!atomic_read(&ask->nokey_refcnt))
goto unlock_child;

psk = ask->parent;
@@ -786,11 +786,8 @@ static int skcipher_check_key(struct socket *sock)
if (!tfm->has_key)
goto unlock;

- if (!pask->refcnt++)
- sock_hold(psk);
-
- ask->refcnt = 1;
- sock_put(psk);
+ atomic_dec(&pask->nokey_refcnt);
+ atomic_set(&ask->nokey_refcnt, 0);

err = 0;

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 1e5cd39d0cc2..bdc3efacd0d2 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -757,6 +757,7 @@ out_put_disk:
put_disk(vblk->disk);
out_free_vq:
vdev->config->del_vqs(vdev);
+ kfree(vblk->vqs);
out_free_vblk:
kfree(vblk);
out_free_index:
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 932ba7676183..5f86075e34da 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -248,6 +248,8 @@ static int get_scrub_rate(struct mem_ctl_info *mci)

if (pvt->model == 0x60)
amd64_read_pci_cfg(pvt->F2, F15H_M60H_SCRCTRL, &scrubval);
+ else
+ amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);
} else
amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval);

diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index e27f7e12c05b..9b4ad6c74041 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -895,7 +895,7 @@ static int acpi_power_meter_add(struct acpi_device *device)

res = setup_attrs(resource);
if (res)
- goto exit_free;
+ goto exit_free_capability;

resource->hwmon_dev = hwmon_device_register(&device->dev);
if (IS_ERR(resource->hwmon_dev)) {
@@ -908,6 +908,8 @@ static int acpi_power_meter_add(struct acpi_device *device)

exit_remove:
remove_attrs(resource);
+exit_free_capability:
+ free_capabilities(resource);
exit_free:
kfree(resource);
exit:
diff --git a/drivers/hwmon/max6697.c b/drivers/hwmon/max6697.c
index f03a71722849..d4bb3d6aaf18 100644
--- a/drivers/hwmon/max6697.c
+++ b/drivers/hwmon/max6697.c
@@ -46,8 +46,9 @@ static const u8 MAX6697_REG_CRIT[] = {
* Map device tree / platform data register bit map to chip bit map.
* Applies to alert register and over-temperature register.
*/
-#define MAX6697_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \
+#define MAX6697_ALERT_MAP_BITS(reg) ((((reg) & 0x7e) >> 1) | \
(((reg) & 0x01) << 6) | ((reg) & 0x80))
+#define MAX6697_OVERT_MAP_BITS(reg) (((reg) >> 1) | (((reg) & 0x01) << 7))

#define MAX6697_REG_STAT(n) (0x44 + (n))

@@ -586,12 +587,12 @@ static int max6697_init_chip(struct max6697_data *data,
return ret;

ret = i2c_smbus_write_byte_data(client, MAX6697_REG_ALERT_MASK,
- MAX6697_MAP_BITS(pdata->alert_mask));
+ MAX6697_ALERT_MAP_BITS(pdata->alert_mask));
if (ret < 0)
return ret;

ret = i2c_smbus_write_byte_data(client, MAX6697_REG_OVERT_MASK,
- MAX6697_MAP_BITS(pdata->over_temperature_mask));
+ MAX6697_OVERT_MAP_BITS(pdata->over_temperature_mask));
if (ret < 0)
return ret;

diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index e370804ec8bc..3a9db4626cb6 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -326,7 +326,8 @@ static int pca_xfer(struct i2c_adapter *i2c_adap,
DEB2("BUS ERROR - SDA Stuck low\n");
pca_reset(adap);
goto out;
- case 0x90: /* Bus error - SCL stuck low */
+ case 0x78: /* Bus error - SCL stuck low (PCA9665) */
+ case 0x90: /* Bus error - SCL stuck low (PCA9564) */
DEB2("BUS ERROR - SCL Stuck low\n");
pca_reset(adap);
goto out;
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index bc92a498ec03..9f19aa950bb1 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -2703,6 +2703,7 @@ static void usbtest_disconnect(struct usb_interface *intf)

usb_set_intfdata(intf, NULL);
dev_dbg(&intf->dev, "disconnect\n");
+ kfree(dev->buf);
kfree(dev);
}

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 972475eeb2dd..b1125778b908 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -926,7 +926,7 @@ static noinline int cow_file_range(struct inode *inode,
u64 alloc_hint = 0;
u64 num_bytes;
unsigned long ram_size;
- u64 disk_num_bytes;
+ u64 min_alloc_size;
u64 cur_alloc_size;
u64 blocksize = root->sectorsize;
struct btrfs_key ins;
@@ -942,7 +942,6 @@ static noinline int cow_file_range(struct inode *inode,

num_bytes = ALIGN(end - start + 1, blocksize);
num_bytes = max(blocksize, num_bytes);
- disk_num_bytes = num_bytes;

/* if this is a small write inside eof, kick off defrag */
if (num_bytes < 64 * 1024 &&
@@ -969,18 +968,33 @@ static noinline int cow_file_range(struct inode *inode,
}
}

- BUG_ON(disk_num_bytes >
- btrfs_super_total_bytes(root->fs_info->super_copy));
+ BUG_ON(num_bytes > btrfs_super_total_bytes(root->fs_info->super_copy));

alloc_hint = get_extent_allocation_hint(inode, start, num_bytes);
btrfs_drop_extent_cache(inode, start, start + num_bytes - 1, 0);

- while (disk_num_bytes > 0) {
+ /*
+ * Relocation relies on the relocated extents to have exactly the same
+ * size as the original extents. Normally writeback for relocation data
+ * extents follows a NOCOW path because relocation preallocates the
+ * extents. However, due to an operation such as scrub turning a block
+ * group to RO mode, it may fallback to COW mode, so we must make sure
+ * an extent allocated during COW has exactly the requested size and can
+ * not be split into smaller extents, otherwise relocation breaks and
+ * fails during the stage where it updates the bytenr of file extent
+ * items.
+ */
+ if (root->root_key.objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
+ min_alloc_size = num_bytes;
+ else
+ min_alloc_size = root->sectorsize;
+
+ while (num_bytes > 0) {
unsigned long op;

- cur_alloc_size = disk_num_bytes;
+ cur_alloc_size = num_bytes;
ret = btrfs_reserve_extent(root, cur_alloc_size,
- root->sectorsize, 0, alloc_hint,
+ min_alloc_size, 0, alloc_hint,
&ins, 1, 1);
if (ret < 0)
goto out_unlock;
@@ -1033,7 +1047,7 @@ static noinline int cow_file_range(struct inode *inode,
goto out_drop_extent_cache;
}

- if (disk_num_bytes < cur_alloc_size)
+ if (num_bytes < cur_alloc_size)
break;

/* we're not doing compressed IO, don't unlock the first
@@ -1050,8 +1064,10 @@ static noinline int cow_file_range(struct inode *inode,
start + ram_size - 1, locked_page,
EXTENT_LOCKED | EXTENT_DELALLOC,
op);
- disk_num_bytes -= cur_alloc_size;
- num_bytes -= cur_alloc_size;
+ if (num_bytes < cur_alloc_size)
+ num_bytes = 0;
+ else
+ num_bytes -= cur_alloc_size;
alloc_hint = ins.objectid + ins.offset;
start += cur_alloc_size;
}
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 21ddfd77966e..f4ef8d6ea8ed 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -4203,9 +4203,12 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
vol_info->retry = master_tcon->retry;
vol_info->nocase = master_tcon->nocase;
vol_info->local_lease = master_tcon->local_lease;
+ vol_info->resilient = master_tcon->use_resilient;
+ vol_info->persistent = master_tcon->use_persistent;
vol_info->no_linux_ext = !master_tcon->unix_ext;
vol_info->sectype = master_tcon->ses->sectype;
vol_info->sign = master_tcon->ses->sign;
+ vol_info->seal = master_tcon->seal;

rc = cifs_set_vol_auth(vol_info, master_tcon->ses);
if (rc) {
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index c18c26a78453..a002e289a544 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1737,6 +1737,7 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
+ bool new_target = d_really_is_negative(target_dentry);

if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -1813,8 +1814,13 @@ cifs_rename2(struct inode *source_dir, struct dentry *source_dentry,
*/

unlink_target:
- /* Try unlinking the target dentry if it's not negative */
- if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
+ /*
+ * If the target dentry was created during the rename, try
+ * unlinking it if it's not negative
+ */
+ if (new_target &&
+ d_really_is_positive(target_dentry) &&
+ (rc == -EACCES || rc == -EEXIST)) {
if (d_is_dir(target_dentry))
tmprc = cifs_rmdir(target_dir, target_dentry);
else
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index a2bfd7843f18..4bb6b98782e9 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -30,8 +30,8 @@ struct alg_sock {

struct sock *parent;

- unsigned int refcnt;
- unsigned int nokey_refcnt;
+ atomic_t refcnt;
+ atomic_t nokey_refcnt;

const struct af_alg_type *type;
void *private;
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index c9e4731cf10b..7fc36ebc5de3 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -81,6 +81,7 @@ extern unsigned int sysctl_sched_cfs_bandwidth_slice;
extern unsigned int sysctl_sched_autogroup_enabled;
#endif

+extern int sysctl_sched_rr_timeslice;
extern int sched_rr_timeslice;

extern int sched_rr_handler(struct ctl_table *table, int write,
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 9c939c6bf21c..321ccdbb7364 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -488,6 +488,7 @@ static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs,
arch_kgdb_ops.disable_hw_break(regs);

acquirelock:
+ rcu_read_lock();
/*
* Interrupts will be restored by the 'trap return' code, except when
* single stepping.
@@ -542,6 +543,7 @@ return_normal:
atomic_dec(&slaves_in_kgdb);
dbg_touch_watchdogs();
local_irq_restore(flags);
+ rcu_read_unlock();
return 0;
}
cpu_relax();
@@ -560,6 +562,7 @@ return_normal:
raw_spin_unlock(&dbg_master_lock);
dbg_touch_watchdogs();
local_irq_restore(flags);
+ rcu_read_unlock();

goto acquirelock;
}
@@ -677,6 +680,7 @@ kgdb_restore:
raw_spin_unlock(&dbg_master_lock);
dbg_touch_watchdogs();
local_irq_restore(flags);
+ rcu_read_unlock();

return kgdb_info[cpu].ret_state;
}
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 14a87c1f3a3a..4a0a754f24c8 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8266,8 +8266,9 @@ int sched_rr_handler(struct ctl_table *table, int write,
/* make sure that internally we keep jiffies */
/* also, writing zero resets timeslice to default */
if (!ret && write) {
- sched_rr_timeslice = sched_rr_timeslice <= 0 ?
- RR_TIMESLICE : msecs_to_jiffies(sched_rr_timeslice);
+ sched_rr_timeslice =
+ sysctl_sched_rr_timeslice <= 0 ? RR_TIMESLICE :
+ msecs_to_jiffies(sysctl_sched_rr_timeslice);
}
mutex_unlock(&mutex);
return ret;
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 801b4ec40702..5ee5740635f3 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -9,6 +9,7 @@
#include <linux/irq_work.h>

int sched_rr_timeslice = RR_TIMESLICE;
+int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE;

static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun);

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c2dddd335d06..ecbb1b764a82 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -412,7 +412,7 @@ static struct ctl_table kern_table[] = {
},
{
.procname = "sched_rr_timeslice_ms",
- .data = &sched_rr_timeslice,
+ .data = &sysctl_sched_rr_timeslice,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = sched_rr_handler,
diff --git a/mm/slub.c b/mm/slub.c
index bb5237c67cbc..a3870034bfcc 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5305,7 +5305,8 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s)
*/
if (buffer)
buf = buffer;
- else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf))
+ else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf) &&
+ !IS_ENABLED(CONFIG_SLUB_STATS))
buf = mbuf;
else {
buffer = (char *) get_zeroed_page(GFP_KERNEL);
diff --git a/mm/swap_state.c b/mm/swap_state.c
index d504adb7fa5f..9e587464e634 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -19,6 +19,7 @@
#include <linux/migrate.h>

#include <asm/pgtable.h>
+#include "internal.h"

/*
* swapper_space is a fiction, retained to simplify the path through
@@ -319,7 +320,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
/*
* call radix_tree_preload() while we can wait.
*/
- err = radix_tree_maybe_preload(gfp_mask & GFP_KERNEL);
+ err = radix_tree_maybe_preload(gfp_mask & GFP_RECLAIM_MASK);
if (err)
break;

diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 9511af04dc81..15495b956855 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -1225,6 +1225,7 @@ static struct nf_conntrack_helper nf_conntrack_helper_q931[] __read_mostly = {
{
.name = "Q.931",
.me = THIS_MODULE,
+ .data_len = sizeof(struct nf_ct_h323_master),
.tuple.src.l3num = AF_INET6,
.tuple.src.u.tcp.port = cpu_to_be16(Q931_PORT),
.tuple.dst.protonum = IPPROTO_TCP,
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 844c68863810..71778ca4b26a 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -80,10 +80,6 @@ struct snd_usb_endpoint {
dma_addr_t sync_dma; /* DMA address of syncbuf */

unsigned int pipe; /* the data i/o pipe */
- unsigned int framesize[2]; /* small/large frame sizes in samples */
- unsigned int sample_rem; /* remainder from division fs/fps */
- unsigned int sample_accum; /* sample accumulator */
- unsigned int fps; /* frames per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 666731317b33..66648b4bdd28 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -137,12 +137,12 @@ int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep)

/*
* For streaming based on information derived from sync endpoints,
- * prepare_outbound_urb_sizes() will call slave_next_packet_size() to
+ * prepare_outbound_urb_sizes() will call next_packet_size() to
* determine the number of samples to be sent in the next packet.
*
- * For implicit feedback, slave_next_packet_size() is unused.
+ * For implicit feedback, next_packet_size() is unused.
*/
-int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep)
+int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
{
unsigned long flags;
int ret;
@@ -159,29 +159,6 @@ int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep)
return ret;
}

-/*
- * For adaptive and synchronous endpoints, prepare_outbound_urb_sizes()
- * will call next_packet_size() to determine the number of samples to be
- * sent in the next packet.
- */
-int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
-{
- int ret;
-
- if (ep->fill_max)
- return ep->maxframesize;
-
- ep->sample_accum += ep->sample_rem;
- if (ep->sample_accum >= ep->fps) {
- ep->sample_accum -= ep->fps;
- ret = ep->framesize[1];
- } else {
- ret = ep->framesize[0];
- }
-
- return ret;
-}
-
static void retire_outbound_urb(struct snd_usb_endpoint *ep,
struct snd_urb_ctx *urb_ctx)
{
@@ -226,8 +203,6 @@ static void prepare_silent_urb(struct snd_usb_endpoint *ep,

if (ctx->packet_size[i])
counts = ctx->packet_size[i];
- else if (ep->sync_master)
- counts = snd_usb_endpoint_slave_next_packet_size(ep);
else
counts = snd_usb_endpoint_next_packet_size(ep);

@@ -904,17 +879,10 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
ep->maxpacksize = fmt->maxpacksize;
ep->fill_max = !!(fmt->attributes & UAC_EP_CS_ATTR_FILL_MAX);

- if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL) {
+ if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL)
ep->freqn = get_usb_full_speed_rate(rate);
- ep->fps = 1000;
- } else {
+ else
ep->freqn = get_usb_high_speed_rate(rate);
- ep->fps = 8000;
- }
-
- ep->sample_rem = rate % ep->fps;
- ep->framesize[0] = rate / ep->fps;
- ep->framesize[1] = (rate + (ep->fps - 1)) / ep->fps;

/* calculate the frequency in 16.16 format */
ep->freqm = ep->freqn;
@@ -973,7 +941,6 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
ep->active_mask = 0;
ep->unlink_mask = 0;
ep->phase = 0;
- ep->sample_accum = 0;

snd_usb_endpoint_start_quirk(ep);

diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 4aad49cbeb5f..584f295d7c77 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -27,7 +27,6 @@ void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);

int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
-int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);

void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 53d91cae86f9..f84c55ecd0fb 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1473,8 +1473,6 @@ static void prepare_playback_urb(struct snd_usb_substream *subs,
for (i = 0; i < ctx->packets; i++) {
if (ctx->packet_size[i])
counts = ctx->packet_size[i];
- else if (ep->sync_master)
- counts = snd_usb_endpoint_slave_next_packet_size(ep);
else
counts = snd_usb_endpoint_next_packet_size(ep);

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