[PATCH -next] UBIFS: fix missing unlock on error in ubifs_remount_rw()

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Add the missing unlock before return from function ubifs_remount_rw()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
 fs/ubifs/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index f21acf0..9791b3c 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1571,7 +1571,7 @@ static int ubifs_remount_rw(struct ubifs_info *c)
 	if (c->space_fixup) {
 		err = ubifs_fixup_free_space(c);
 		if (err)
-			return err;
+			goto out;
 	}
 
 	err = check_free_space(c);