[PATCH] ext3: Fix missed mutex unlock

["Ananiev, Leonid I" <leonid.i.ananiev@intel.com>]

>From Leonid Ananiev

Missed unlock_super()call is added in error condition code path.

Signed-off-by: Leonid Ananiev <leonid.i.ananiev@intel.com>

-------
--- fs/ext3/resize.c  2006-04-06 01:08:28.367109040 -0700
+++ fs/ext3/resize.c       2006-04-06 01:10:37.289509856 -0700
@@ -974,6 +974,7 @@ int ext3_group_extend(struct super_block
        if (o_blocks_count != le32_to_cpu(es->s_blocks_count)) {
                ext3_warning(sb, __FUNCTION__,
                             "multiple resizers run on filesystem!");
+               unlock_super(sb);
                err = -EBUSY;
                goto exit_put;
        }
-
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