[PATCH 20/20] block-gen: assert that nbd_co_do_establish_connection is always called with graph rdlock taken

[Emanuele Giuseppe Esposito]

The only caller of this function is nbd_do_establish_connection, a
generated_co_wrapper that already take the graph read lock.

Signed-off-by: Emanuele Giuseppe Esposito <eespo...@redhat.com>
---
 block/nbd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/nbd.c b/block/nbd.c
index 7d485c86d2..5cad58aaf6 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -322,6 +322,7 @@ int coroutine_fn 
nbd_co_do_establish_connection(BlockDriverState *bs,
     int ret;
     IO_CODE();
 
+    assert_bdrv_graph_readable();
     assert(!s->ioc);
 
     s->ioc = nbd_co_establish_connection(s->conn, &s->info, blocking, errp);
-- 
2.31.1