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-rw-r--r--tests/unit/test-bdrv-drain.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/unit/test-bdrv-drain.c b/tests/unit/test-bdrv-drain.c
index 9a4c5e5..ae4299c 100644
--- a/tests/unit/test-bdrv-drain.c
+++ b/tests/unit/test-bdrv-drain.c
@@ -1004,8 +1004,6 @@ static void coroutine_fn test_co_delete_by_drain(void *opaque)
void *buffer = g_malloc(65536);
QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(qiov, buffer, 65536);
- GRAPH_RDLOCK_GUARD();
-
/* Pretend some internal write operation from parent to child.
* Important: We have to read from the child, not from the parent!
* Draining works by first propagating it all up the tree to the
@@ -1014,7 +1012,9 @@ static void coroutine_fn test_co_delete_by_drain(void *opaque)
* everything will be drained before we go back down the tree, but
* we do not want that. We want to be in the middle of draining
* when this following requests returns. */
+ bdrv_graph_co_rdlock();
bdrv_co_preadv(tts->wait_child, 0, 65536, &qiov, 0);
+ bdrv_graph_co_rdunlock();
g_assert_cmpint(bs->refcnt, ==, 1);