block/nbd-client: assert qiov len once in nbd_co_request
commit4bfe4478d17679464a2aaa91ed703522ed9af8a0
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Thu, 12 Oct 2017 09:53:07 +0000 (12 12:53 +0300)
committerEric Blake <eblake@redhat.com>
Thu, 12 Oct 2017 21:19:35 +0000 (12 16:19 -0500)
treea0e8b0eff0ed422ed66e999e850b643a34703187
parente8d3eb74bf11dff6920b8d0884c28f93e0d0d732
block/nbd-client: assert qiov len once in nbd_co_request

Also improve the assertion: check that qiov is NULL for other commands
than CMD_READ and CMD_WRITE.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-2-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
block/nbd-client.c