xprtrdma: Make sure Send CQ is allocated on an existing compvec

Make sure the device has at least 2 completion vectors
before allocating to compvec#1

Fixes: a4699f5647f3 (xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode)
Signed-off-by: Nicolas Morey-Chaisemartin <[email protected]>
Reviewed-by: Chuck Lever <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 4994e75945b848c1dfba523e6a23cb2d45613ef5..21113bfd4ecaf6a3cb79329af81fb40168830d35 100644 (file)
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -527,7 +527,8 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
 
        sendcq = ib_alloc_cq(ia->ri_device, NULL,
                             ep->rep_attr.cap.max_send_wr + 1,
-                            1, IB_POLL_WORKQUEUE);
+                            ia->ri_device->num_comp_vectors > 1 ? 1 : 0,
+                            IB_POLL_WORKQUEUE);
        if (IS_ERR(sendcq)) {
                rc = PTR_ERR(sendcq);
                goto out1;