RPC/RDMA: ensure connection attempt is complete before signalling.

The RPC/RDMA connection logic could return early from reconnection
attempts, leading to additional spurious retries.
Signed-off-by: Tom Talpey <talpey@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

net/sunrpc/xprtrdma/verbs.c

@@ -804,9 +804,8 @@ rpcrdma_ep_connect(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia)
 	struct rdma_cm_id *id;
 	int rc = 0;
 	int retry_count = 0;
-	int reconnect = (ep->rep_connected != 0);
 
-	if (reconnect) {
+	if (ep->rep_connected != 0) {
 		struct rpcrdma_xprt *xprt;
 retry:
 		rc = rpcrdma_ep_disconnect(ep, ia);
@@ -871,9 +870,6 @@ if (strnicmp(ia->ri_id->device->dma_device->bus->name, "pci", 3) == 0) {
 		goto out;
 	}
 
-	if (reconnect)
-		return 0;
-
 	wait_event_interruptible(ep->rep_connect_wait, ep->rep_connected != 0);
 
 	/*