1 files changed, 12 insertions, 13 deletions

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 856274d7e85c..9494c3767356 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -202,10 +202,9 @@ int xprt_reserve_xprt(struct rpc_task *task)
                 goto out_sleep;
         }
         xprt->snd_task = task;
-        if (req) {
-                req->rq_bytes_sent = 0;
-                req->rq_ntrans++;
-        }
+        req->rq_bytes_sent = 0;
+        req->rq_ntrans++;
+
         return 1;
 
 out_sleep:
@@ -213,7 +212,7 @@ out_sleep:
                         task->tk_pid, xprt);
         task->tk_timeout = 0;
         task->tk_status = -EAGAIN;
-        if (req && req->rq_ntrans)
+        if (req->rq_ntrans)
                 rpc_sleep_on(&xprt->resend, task, NULL);
         else
                 rpc_sleep_on(&xprt->sending, task, NULL);
@@ -965,7 +964,7 @@ struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req)
         xprt = kzalloc(size, GFP_KERNEL);
         if (xprt == NULL)
                 goto out;
-        kref_init(&xprt->kref);
+        atomic_set(&xprt->count, 1);
 
         xprt->max_reqs = max_req;
         xprt->slot = kcalloc(max_req, sizeof(struct rpc_rqst), GFP_KERNEL);
@@ -1145,13 +1144,11 @@ found:
 
 /**
  * xprt_destroy - destroy an RPC transport, killing off all requests.
- * @kref: kref for the transport to destroy
+ * @xprt: transport to destroy
  *
  */
-static void xprt_destroy(struct kref *kref)
+static void xprt_destroy(struct rpc_xprt *xprt)
 {
-        struct rpc_xprt *xprt = container_of(kref, struct rpc_xprt, kref);
-
         dprintk("RPC:       destroying transport %p\n", xprt);
         xprt->shutdown = 1;
         del_timer_sync(&xprt->timer);
@@ -1175,7 +1172,8 @@ static void xprt_destroy(struct kref *kref)
  */
 void xprt_put(struct rpc_xprt *xprt)
 {
-        kref_put(&xprt->kref, xprt_destroy);
+        if (atomic_dec_and_test(&xprt->count))
+                xprt_destroy(xprt);
 }
 
 /**
@@ -1185,6 +1183,7 @@ void xprt_put(struct rpc_xprt *xprt)
  */
 struct rpc_xprt *xprt_get(struct rpc_xprt *xprt)
 {
-        kref_get(&xprt->kref);
-        return xprt;
+        if (atomic_inc_not_zero(&xprt->count))
+                return xprt;
+        return NULL;
 }