IPoIB/cm: Fix timeout check in ipoib_cm_dev_stop()

time_after() was used backwards, so the timeout occurred immediately.
Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/ulp/ipoib/ipoib_cm.c

@@ -713,7 +713,7 @@ void ipoib_cm_dev_stop(struct net_device *dev)
 	while (!list_empty(&priv->cm.rx_error_list) ||
 	       !list_empty(&priv->cm.rx_flush_list) ||
 	       !list_empty(&priv->cm.rx_drain_list)) {
-		if (!time_after(jiffies, begin + 5 * HZ)) {
+		if (time_after(jiffies, begin + 5 * HZ)) {
 			ipoib_warn(priv, "RX drain timing out\n");
 
 			/*