1 files changed, 1 insertions, 3 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 928c1e298d..78c11d4948 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -932,9 +932,7 @@ static int handle_dependencies(BlockDriverState *bs, uint64_t guest_offset,
             if (bytes == 0) {
                 /* Wait for the dependency to complete. We need to recheck
                  * the free/allocated clusters when we continue. */
-                qemu_co_mutex_unlock(&s->lock);
-                qemu_co_queue_wait(&old_alloc->dependent_requests);
-                qemu_co_mutex_lock(&s->lock);
+                qemu_co_queue_wait(&old_alloc->dependent_requests, &s->lock);
                 return -EAGAIN;
             }
         }