SUNRPC: Ensure we release the socket write lock if the rpc_task exits early

[pandora-kernel.git] / net / sunrpc / xprt.c

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ffba207..6c91208 100644 (file)
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1132,10 +1132,18 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
 void xprt_release(struct rpc_task *task)
 {
        struct rpc_xprt *xprt;
-       struct rpc_rqst *req;
+       struct rpc_rqst *req = task->tk_rqstp;
 
-       if (!(req = task->tk_rqstp))
+       if (req == NULL) {
+               if (task->tk_client) {
+                       rcu_read_lock();
+                       xprt = rcu_dereference(task->tk_client->cl_xprt);
+                       if (xprt->snd_task == task)
+                               xprt_release_write(xprt, task);
+                       rcu_read_unlock();
+               }
                return;
+       }
 
        xprt = req->rq_xprt;
        rpc_count_iostats(task);