qcow2: fix two memory leaks in qcow2_open error code path

Signed-off-by: Prasad Joshi <prasadjoshi.linux@gmail.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

diff --git a/block/qcow2.c b/block/qcow2.c
index b9dc960..10eccf9 100644 (file)
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -506,6 +506,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
                                    s->incompatible_features &
                                    ~QCOW2_INCOMPAT_MASK);
         ret = -ENOTSUP;
+        g_free(feature_table);
         goto fail;
     }
 
@@ -745,6 +746,9 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
     if (s->l2_table_cache) {
         qcow2_cache_destroy(bs, s->l2_table_cache);
     }
+    if (s->refcount_block_cache) {
+        qcow2_cache_destroy(bs, s->refcount_block_cache);
+    }
     g_free(s->cluster_cache);
     qemu_vfree(s->cluster_data);
     return ret;