From: zhangguopeng <zhangguopeng@kylinos.cn>
Date: Tue, 29 Oct 2024 10:18:53 +0000 (+0800)
Subject: mm/memory-failure: replace sprintf() with sysfs_emit()
X-Git-Tag: v6.13-rc1~99^2~36
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=408a8dc6232294ac83f233f869f425725765d2e1;p=thirdparty%2Fkernel%2Flinux.git

mm/memory-failure: replace sprintf() with sysfs_emit()

As Documentation/filesystems/sysfs.rst suggested, show() should only use
sysfs_emit() or sysfs_emit_at() when formatting the value to be returned
to user space.

Link: https://lkml.kernel.org/r/20241029101853.37890-1-zhangguopeng@kylinos.cn
Signed-off-by: zhangguopeng <zhangguopeng@kylinos.cn>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 7ce7ba8586f5a..a7b8ccd29b6f5 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -100,7 +100,7 @@ static ssize_t _name##_show(struct device *dev,			\
 {								\
 	struct memory_failure_stats *mf_stats =			\
 		&NODE_DATA(dev->id)->mf_stats;			\
-	return sprintf(buf, "%lu\n", mf_stats->_name);		\
+	return sysfs_emit(buf, "%lu\n", mf_stats->_name);	\
 }								\
 static DEVICE_ATTR_RO(_name)