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f2fs: replace snprintf in show functions with sysfs_emit

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coccicheck complains about the use of snprintf() in sysfs show functions.

Fix the following coccicheck warning:
fs/f2fs/sysfs.c:198:12-20: WARNING: use scnprintf or sprintf.
fs/f2fs/sysfs.c:247:8-16: WARNING: use scnprintf or sprintf.

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Signed-off-by: Qing Wang <wangqing@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Qing Wang 2021-10-12 20:29:04 -07:00 committed by Jaegeuk Kim
parent 09631cf323
commit 84eab2a899
1 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
fs/f2fs/sysfs.c
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@ -196,7 +196,7 @@ static ssize_t encoding_show(struct f2fs_attr *a,
struct super_block *sb = sbi->sb;
if (f2fs_sb_has_casefold(sbi))
return snprintf(buf, PAGE_SIZE, "%s (%d.%d.%d)\n",
return sysfs_emit(buf, "%s (%d.%d.%d)\n",
sb->s_encoding->charset,
(sb->s_encoding->version >> 16) & 0xff,
(sb->s_encoding->version >> 8) & 0xff,
@ -245,7 +245,7 @@ static ssize_t avg_vblocks_show(struct f2fs_attr *a,
static ssize_t main_blkaddr_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%llu\n",
return sysfs_emit(buf, "%llu\n",
(unsigned long long)MAIN_BLKADDR(sbi));
}