ext4: fix uninitialized variable in ext4_register_li_request

fs/ext4/super.c: In function 'ext4_register_li_request':
fs/ext4/super.c:2936: warning: 'ret' may be used uninitialized in this function

It looks buggy to me, too.

Cc: Lukas Czerner <lczerner@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1cd4326..757cb24 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2922,7 +2922,7 @@ static int ext4_register_li_request(struct super_block *sb,
        struct ext4_sb_info *sbi = EXT4_SB(sb);
        struct ext4_li_request *elr;
        ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count;
-       int ret;
+       int ret = 0;
 
        if (sbi->s_li_request != NULL)
                return 0;