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block/nbd-client: nbd_co_send_request: fix return code 

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>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170920124507.18841-4-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2017-09-20 15:45:07 +03:00 committed by Eric Blake
parent 9397067221
commit a693437037
1 changed files with 2 additions and 0 deletions
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block/nbd-client.c
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@ -161,6 +161,8 @@ static int nbd_co_send_request(BlockDriverState *bs,
NULL) < 0) {
rc = -EIO;
}
} else if (rc >= 0) {
rc = -EIO;
}
qio_channel_set_cork(s->ioc, false);
} else {