qcow2: Remove abort on free_clusters failure

While it's true that during regular operation free_clusters failure would be a
bug, an I/O error can always happen. There's no need to kill the VM, the worst
thing that can happen (and it will) is that we leak some clusters.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 003fad6e2cae5311d3aea996388c90e3ab17de90)

diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 465d5d36e8f256cedf13c9b30610e2cdc15b2a73..ff2cf6db2f6dabda6993646237a2511f76d30a0d 100644 (file)
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -631,7 +631,7 @@ void qcow2_free_clusters(BlockDriverState *bs,
     ret = update_refcount(bs, offset, size, -1);
     if (ret < 0) {
         fprintf(stderr, "qcow2_free_clusters failed: %s\n", strerror(-ret));
-        abort();
+        /* TODO Remember the clusters to free them later and avoid leaking */
     }
 }