[Qemu-block] [PATCH v2 6/7] block/nbd-client: early fail nbd_read_reply_entry if s->quit is set

[Vladimir Sementsov-Ogievskiy]

Do not continue any operation if s->quit is set in parallel.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
 block/nbd-client.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/block/nbd-client.c b/block/nbd-client.c
index 280147e6a7..f80a4c5564 100644
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -81,7 +81,7 @@ static coroutine_fn void nbd_read_reply_entry(void *opaque)
         if (ret < 0) {
             error_report_err(local_err);
         }
-        if (ret <= 0) {
+        if (ret <= 0 || s->quit) {
             break;
         }
 
@@ -105,9 +105,8 @@ static coroutine_fn void nbd_read_reply_entry(void *opaque)
             assert(qiov != NULL);
             assert(s->requests[i].request->len ==
                    iov_size(qiov->iov, qiov->niov));
-            if (qio_channel_readv_all(s->ioc, qiov->iov, qiov->niov,
-                                      NULL) < 0)
-            {
+            ret = qio_channel_readv_all(s->ioc, qiov->iov, qiov->niov, NULL);
+            if (ret < 0 || s->quit) {
                 s->requests[i].ret = -EIO;
                 break;
             }
-- 
2.11.1