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authorChao Yu <chao2.yu@samsung.com>2014-03-18 09:07:59 +0800
committerAndreas Blaesius <skate4life@gmx.de>2016-06-05 21:21:21 +0200
commit144ad092deb5e0c5454f9486284b4a2278c20ca7 (patch)
tree7f1465377570ae1709cd6db4c61235e421b124a2 /fs/f2fs
parentb5f4d51ec423cbea0ff66328bf9710e18ac54ac3 (diff)
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f2fs: fix incorrect parsing with option string
Previously 'background_gc={on***,off***}' is being parsed as correct option, with this patch we cloud fix the trivial bug in mount process. Change log from v1: o need to check length of parameter suggested by Jaegeuk Kim. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/super.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 094f3e4..4accb9a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -258,9 +258,9 @@ static int parse_options(struct super_block *sb, char *options)
if (!name)
return -ENOMEM;
- if (!strncmp(name, "on", 2))
+ if (strlen(name) == 2 && !strncmp(name, "on", 2))
set_opt(sbi, BG_GC);
- else if (!strncmp(name, "off", 3))
+ else if (strlen(name) == 3 && !strncmp(name, "off", 3))
clear_opt(sbi, BG_GC);
else {
kfree(name);