block/vvfat: Plug memory leak in check_directory_consistency()

On error path.  Introduced in commit a046433a.  Spotted by Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 6262bbd363b53a1f19c473345d7cc40254dd5c73)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/block/vvfat.c b/block/vvfat.c
index 3ddaa0bcce79f6cf8e07c7a40048f779390edeb8..e71d71ead8ae6625009082a573ffcc8a498443cc 100644 (file)
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -1866,7 +1866,7 @@ static int check_directory_consistency(BDRVVVFATState *s,
 
        if (s->used_clusters[cluster_num] & USED_ANY) {
            fprintf(stderr, "cluster %d used more than once\n", (int)cluster_num);
-           return 0;
+            goto fail;
        }
        s->used_clusters[cluster_num] = USED_DIRECTORY;