[Qemu-devel] [PATCH v2 5/7] block/nbd-client: nbd_co_send_request: return -EIO if s->quit was set in parallel

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

It's incorrect to return success rc >= 0 if we skip qio_channel_writev_all()
call due to s->quit.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 block/nbd-client.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/block/nbd-client.c b/block/nbd-client.c
index f331f08a9a..280147e6a7 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -189,6 +189,9 @@ static int nbd_co_send_request(BlockDriverState *bs,
     }
 
 err:
+    if (rc >= 0 && s->quit) {
+        rc = -EIO;
+    }
     if (rc < 0) {
         s->quit = true;
         s->requests[i].coroutine = NULL;
-- 
2.11.1