scsi: mvsas: Replace snprintf() with sysfs_emit()

stable inclusion
from stable-v5.10.111
commit ed7db959203e3ef06f7b59dfb504d392842312f3
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5GL1Z

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=ed7db959203e3ef06f7b59dfb504d392842312f3

--------------------------------

[ Upstream commit 0ad3867b ]

coccinelle report:
./drivers/scsi/mvsas/mv_init.c:699:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/mvsas/mv_init.c:747:8-16:
WARNING: use scnprintf or sprintf

Use sysfs_emit() instead of scnprintf() or sprintf().

Link: https://lore.kernel.org/r/c1711f7cf251730a8ceb5bdfc313bf85662b3395.1643182948.git.yang.guang5@zte.com.cnReported-by: NZeal Robot <zealci@zte.com.cn>
Signed-off-by: NYang Guang <yang.guang5@zte.com.cn>
Signed-off-by: NDavid Yang <davidcomponentone@gmail.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/scsi/mvsas/mv_init.c

@@ -697,7 +697,7 @@ static ssize_t
 mvs_show_driver_version(struct device *cdev,
 		struct device_attribute *attr,  char *buffer)
 {
-	return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION);
+	return sysfs_emit(buffer, "%s\n", DRV_VERSION);
 }
 
 static DEVICE_ATTR(driver_version,
@@ -749,7 +749,7 @@ mvs_store_interrupt_coalescing(struct device *cdev,
 static ssize_t mvs_show_interrupt_coalescing(struct device *cdev,
 			struct device_attribute *attr, char *buffer)
 {
-	return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing);
+	return sysfs_emit(buffer, "%d\n", interrupt_coalescing);
 }
 
 static DEVICE_ATTR(interrupt_coalescing,