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| author | Kevin Wolf <kwolf@redhat.com> | 2014-02-08 17:44:59 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-04-04 17:10:08 +0200 |
| commit | 8885eadedd0ea8b57c1baa367ee2c2d616700bd9 (patch) | |
| tree | c65ba59e0ddb57ff2eae890d436f8f505461fb65 /block/qcow2-cluster.c | |
| parent | 4c2e5f8f46a17966dc45b5a3e07b97434c0eabdf (diff) | |
qcow2: Put cache reference in error case
When qcow2_get_cluster_offset() sees a zero cluster in a version 2
image, it (rightfully) returns an error. But in doing so it shouldn't
leak an L2 table cache reference.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
| -rw-r--r-- | block/qcow2-cluster.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c index 60a6910b1e..331ab08022 100644 --- a/block/qcow2-cluster.c +++ b/block/qcow2-cluster.c @@ -491,6 +491,7 @@ int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset, break; case QCOW2_CLUSTER_ZERO: if (s->qcow_version < 3) { + qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); return -EIO; } c = count_contiguous_clusters(nb_clusters, s->cluster_size, |