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-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 057a3efb2487..dbe402b1a4b7 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);