Use sysfs_emit instead of scnprintf or sprintf makes more sense. Signed-off-by: Yihao Han <hanyihao@xxxxxxxx> --- 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