diff options
author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-09-20 15:45:06 +0300 |
---|---|---|
committer | Eric Blake <eblake@redhat.com> | 2017-09-25 08:21:26 -0500 |
commit | 93970672210ca1ee45fdebbc11e1fd97916c7c8e (patch) | |
tree | af001062ac01c14413ba00598551909088e9ad91 /block | |
parent | 319a56cde7313ca42a72e0a145ffa8e7832ada86 (diff) |
block/nbd-client: simplify check in nbd_co_receive_reply
If we are woken up from while() loop in nbd_read_reply_entry
handles must be equal. If we are woken up from
nbd_recv_coroutines_wake_all s->quit must be true, so we do
not need checking handles equality.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170920124507.18841-3-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'block')
-rw-r--r-- | block/nbd-client.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/nbd-client.c b/block/nbd-client.c index 5168a2cab6..ac93c4c0d0 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -189,9 +189,10 @@ static int nbd_co_receive_reply(NBDClientSession *s, s->requests[i].receiving = true; qemu_coroutine_yield(); s->requests[i].receiving = false; - if (s->reply.handle != request->handle || !s->ioc || s->quit) { + if (!s->ioc || s->quit) { ret = -EIO; } else { + assert(s->reply.handle == request->handle); ret = -s->reply.error; if (qiov && s->reply.error == 0) { assert(request->len == iov_size(qiov->iov, qiov->niov)); |