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Subject[PATCH] scsi: pm8001: Replace snprintf in show functions with sysfs_emit
Date
Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Signed-off-by: Yihao Han <hanyihao@vivo.com>
---
drivers/scsi/pm8001/pm8001_ctl.c | 36 ++++++++++++++++----------------
1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 41a63c9b719b..8f90ea8d6ca0 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -61,10 +61,10 @@ static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id == chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);
} else {
- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);
}
}
@@ -86,7 +86,7 @@ static ssize_t controller_fatal_error_show(struct device *cdev,
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->controller_fatal_error);
}
static DEVICE_ATTR_RO(controller_fatal_error);
@@ -107,13 +107,13 @@ static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id == chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8),
(u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev));
} else {
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev >> 8),
@@ -138,7 +138,7 @@ static ssize_t pm8001_ctl_ila_version_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id != chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version >> 8),
@@ -164,7 +164,7 @@ static ssize_t pm8001_ctl_inactive_fw_version_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id != chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
+ return sysfs_emit(buf, "%02x.%02x.%02x.%02x\n",
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 24),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 16),
(u8)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version >> 8),
@@ -191,10 +191,10 @@ static ssize_t pm8001_ctl_max_out_io_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id == chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io);
} else {
- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io);
}
}
@@ -215,11 +215,11 @@ static ssize_t pm8001_ctl_max_devices_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id == chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%04d\n",
+ return sysfs_emit(buf, "%04d\n",
(u16)(pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl >> 16)
);
} else {
- return snprintf(buf, PAGE_SIZE, "%04d\n",
+ return sysfs_emit(buf, "%04d\n",
(u16)(pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl >> 16)
);
}
@@ -242,11 +242,11 @@ static ssize_t pm8001_ctl_max_sg_list_show(struct device *cdev,
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

if (pm8001_ha->chip_id == chip_8001) {
- return snprintf(buf, PAGE_SIZE, "%04d\n",
+ return sysfs_emit(buf, "%04d\n",
pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl & 0x0000FFFF
);
} else {
- return snprintf(buf, PAGE_SIZE, "%04d\n",
+ return sysfs_emit(buf, "%04d\n",
pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl & 0x0000FFFF
);
}
@@ -315,7 +315,7 @@ static ssize_t pm8001_ctl_host_sas_address_show(struct device *cdev,
struct Scsi_Host *shost = class_to_shost(cdev);
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
- return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
+ return sysfs_emit(buf, "0x%016llx\n",
be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr));
}
static DEVICE_ATTR(host_sas_address, S_IRUGO,
@@ -336,7 +336,7 @@ static ssize_t pm8001_ctl_logging_level_show(struct device *cdev,
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

- return snprintf(buf, PAGE_SIZE, "%08xh\n", pm8001_ha->logging_level);
+ return sysfs_emit(buf, "%08xh\n", pm8001_ha->logging_level);
}

static ssize_t pm8001_ctl_logging_level_store(struct device *cdev,
@@ -517,7 +517,7 @@ static ssize_t event_log_size_show(struct device *cdev,
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

- return snprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
}
static DEVICE_ATTR_RO(event_log_size);
@@ -604,7 +604,7 @@ static ssize_t non_fatal_count_show(struct device *cdev,
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

- return snprintf(buf, PAGE_SIZE, "%08x",
+ return sysfs_emit(buf, "%08x",
pm8001_ha->non_fatal_count);
}

@@ -882,7 +882,7 @@ static ssize_t pm8001_show_update_fw(struct device *cdev,
if (pm8001_ha->fw_status != FLASH_IN_PROGRESS)
pm8001_ha->fw_status = FLASH_OK;

- return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
+ return sysfs_emit(buf, "status=%x %s\n",
flash_error_table[i].err_code,
flash_error_table[i].reason);
}
--
2.17.1
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