SUNRPC: Pass a pointer to struct rpc_xprt to the connect callback

Avoid another RCU dereference by passing the pointer to struct rpc_xprt
from the caller.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 738ad59..7740251 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -724,7 +724,7 @@
 		if (xprt_test_and_set_connecting(xprt))
 			return;
 		xprt->stat.connect_start = jiffies;
-		xprt->ops->connect(task);
+		xprt->ops->connect(xprt, task);
 	}
 }