RDMA/ipoib: Fix check for return code from ib_create_srq

Make sure to check for "-EOPNOTSUPP" instead of "-ENOSYS" which is the
return code from ib_create_srq() in case that it not supported.
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/ulp/ipoib/ipoib_cm.c

@@ -1560,7 +1560,7 @@ static void ipoib_cm_create_srq(struct net_device *dev, int max_sge)
 
 	priv->cm.srq = ib_create_srq(priv->pd, &srq_init_attr);
 	if (IS_ERR(priv->cm.srq)) {
-		if (PTR_ERR(priv->cm.srq) != -ENOSYS)
+		if (PTR_ERR(priv->cm.srq) != -EOPNOTSUPP)
 			pr_warn("%s: failed to allocate SRQ, error %ld\n",
 			       priv->ca->name, PTR_ERR(priv->cm.srq));
 		priv->cm.srq = NULL;