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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>
hifive-unleashed-5.1
Chao Yu 2014-03-18 09:07:59 +08:00 committed by Jaegeuk Kim
parent e4fc5fbfc9
commit 04c0938844
1 changed files with 2 additions and 2 deletions
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4
fs/f2fs/super.c
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@ -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);