linux-kernel - [PATCH] s390: convert sysfs sprintf/snprintf family to sysfs

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Date:   Thu,  4 Feb 2021 11:14:37 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     hca@...ux.ibm.com
Cc:     gor@...ux.ibm.com, borntraeger@...ibm.com,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] s390: convert sysfs sprintf/snprintf family to sysfs_emit

Fix the following coccicheck warning:

./drivers/s390/char/raw3270.c:1066:8-16: WARNING: use scnprintf or
sprintf.

./drivers/s390/char/raw3270.c:1058:8-16: WARNING: use scnprintf or
sprintf.

./drivers/s390/char/raw3270.c:1050:8-16: WARNING: use scnprintf or
sprintf.

Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/s390/char/raw3270.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 646ec796..5d23e49 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -1047,24 +1047,21 @@ struct raw3270_view *
 static ssize_t
 raw3270_model_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%i\n",
-			((struct raw3270 *) dev_get_drvdata(dev))->model);
+	return sysfs_emit(buf, "%i\n", ((struct raw3270 *) dev_get_drvdata(dev))->model);
 }
 static DEVICE_ATTR(model, 0444, raw3270_model_show, NULL);
 
 static ssize_t
 raw3270_rows_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%i\n",
-			((struct raw3270 *) dev_get_drvdata(dev))->rows);
+	return sysfs_emit(buf, "%i\n", ((struct raw3270 *) dev_get_drvdata(dev))->rows);
 }
 static DEVICE_ATTR(rows, 0444, raw3270_rows_show, NULL);
 
 static ssize_t
 raw3270_columns_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%i\n",
-			((struct raw3270 *) dev_get_drvdata(dev))->cols);
+	return sysfs_emit(buf, "%i\n", ((struct raw3270 *) dev_get_drvdata(dev))->cols);
 }
 static DEVICE_ATTR(columns, 0444, raw3270_columns_show, NULL);
 
-- 
1.8.3.1