SUNRPC release the transport of a relocated task with an assigned transport

commit e13433b4416fa31a24e621cbbbb39227a3d651dd upstream.

A relocated task must release its previous transport.

Fixes: 82ee41b85cef1 ("SUNRPC don't resend a task on an offlined transport")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 3286add..e4b9a38 100644 (file)
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1065,10 +1065,13 @@ rpc_task_get_next_xprt(struct rpc_clnt *clnt)
 static
 void rpc_task_set_transport(struct rpc_task *task, struct rpc_clnt *clnt)
 {
-       if (task->tk_xprt &&
-                       !(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) &&
-                        (task->tk_flags & RPC_TASK_MOVEABLE)))
-               return;
+       if (task->tk_xprt) {
+               if (!(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) &&
+                     (task->tk_flags & RPC_TASK_MOVEABLE)))
+                       return;
+               xprt_release(task);
+               xprt_put(task->tk_xprt);
+       }
        if (task->tk_flags & RPC_TASK_NO_ROUND_ROBIN)
                task->tk_xprt = rpc_task_get_first_xprt(clnt);
        else