[PATCH v2] scsi: pmcraid: convert sysfs snprintf to sysfs_emit

From: Xuezhi Zhang
Date: Thu Apr 28 2022 - 11:43:45 EST


Fix the following coccicheck warnings:
drivers/scsi/pmcraid.c:3591:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/pmcraid.c:3557:8-16:
WARNING: use scnprintf or sprintf
drivers/scsi/pmcraid.c:3496:8-16:
WARNING: use scnprintf or sprintf

Signed-off-by: Xuezhi Zhang <zhangxuezhi1@xxxxxxxxxxx>
---
v2: fix the sysfs_emt error.
---
arch/arm64/configs/defconfig | 4 ++++
drivers/scsi/pmcraid.c | 8 +++-----
2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 476c5a9488d0..8688ed761cfd 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1295,3 +1295,7 @@ CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set
CONFIG_MEMTEST=y
+CONFIG_UEVENT_HELPER=y
+CONFIG_UEVENT_HELPER_PATH="/sbin/mdev"
+CONFIG_INITRAMFS_SOURCE="_install_arm64"
+
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index 3d5cd337a2a6..57a6fe8aaf70 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -3493,7 +3493,7 @@ static ssize_t pmcraid_show_log_level(
struct Scsi_Host *shost = class_to_shost(dev);
struct pmcraid_instance *pinstance =
(struct pmcraid_instance *)shost->hostdata;
- return snprintf(buf, PAGE_SIZE, "%d\n", pinstance->current_log_level);
+ return sysfs_emit(buf, "%d\n", pinstance->current_log_level);
}

/**
@@ -3554,8 +3554,7 @@ static ssize_t pmcraid_show_drv_version(
char *buf
)
{
- return snprintf(buf, PAGE_SIZE, "version: %s\n",
- PMCRAID_DRIVER_VERSION);
+ return sysfs_emit(buf, "version: %s\n", PMCRAID_DRIVER_VERSION);
}

static struct device_attribute pmcraid_driver_version_attr = {
@@ -3588,8 +3587,7 @@ static ssize_t pmcraid_show_adapter_id(
pinstance->pdev->devfn;
u32 aen_group = pmcraid_event_family.id;

- return snprintf(buf, PAGE_SIZE,
- "adapter id: %d\nminor: %d\naen group: %d\n",
+ return sysfs_emit(buf, "adapter id: %d\nminor: %d\naen group: %d\n",
adapter_id, MINOR(pinstance->cdev.dev), aen_group);
}

--
2.25.1