linux-kernel - [PATCH] scsi: mvsas: replace snprintf with sysfs

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Message-Id: <c1711f7cf251730a8ceb5bdfc313bf85662b3395.1643182948.git.yang.guang5@zte.com.cn>
Date:   Thu, 27 Jan 2022 08:00:59 +0800
From:   davidcomponentone@...il.com
To:     jejb@...ux.ibm.com
Cc:     davidcomponentone@...il.com, martin.petersen@...cle.com,
        yang.guang5@....com.cn, yuyufen@...wei.com,
        thunder.leizhen@...wei.com, bvanassche@....org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] scsi: mvsas: replace snprintf with sysfs_emit

From: Yang Guang <yang.guang5@....com.cn>

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 makes more sense.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Yang Guang <yang.guang5@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
---
 drivers/scsi/mvsas/mv_init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index dcae2d4464f9..44df7c03aab8 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -696,7 +696,7 @@ static struct pci_driver mvs_pci_driver = {
 static ssize_t driver_version_show(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_RO(driver_version);
@@ -744,7 +744,7 @@ static ssize_t interrupt_coalescing_store(struct device *cdev,
 static ssize_t interrupt_coalescing_show(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_RW(interrupt_coalescing);
-- 
2.30.2