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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-01-08 10:08:33 -0500 | 
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-02-01 10:13:47 -0500 | 
| commit | ad2368d6f5ec6467b9503176e9fb878daf999629 (patch) | |
| tree | 0688b822d1b969a9b0771a7b10e4a9420f9cf418 | |
| parent | 45bc0dce9879505d6fd9ff68dcd0359fb260dfd7 (diff) | |
| download | olio-linux-3.10-ad2368d6f5ec6467b9503176e9fb878daf999629.tar.xz olio-linux-3.10-ad2368d6f5ec6467b9503176e9fb878daf999629.zip  | |
SUNRPC: Avoid RCU dereferences in the transport bind and connect code
Avoid an RCU dereference by removing task->tk_xprt
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | net/sunrpc/clnt.c | 4 | ||||
| -rw-r--r-- | net/sunrpc/xprt.c | 4 | 
2 files changed, 4 insertions, 4 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 6b3411ba23f..a9f7906c1a6 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1508,7 +1508,7 @@ rpc_xdr_encode(struct rpc_task *task)  static void  call_bind(struct rpc_task *task)  { -	struct rpc_xprt *xprt = task->tk_xprt; +	struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;  	dprint_status(task); @@ -1602,7 +1602,7 @@ retry_timeout:  static void  call_connect(struct rpc_task *task)  { -	struct rpc_xprt *xprt = task->tk_xprt; +	struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;  	dprintk("RPC: %5u call_connect xprt %p %s connected\n",  			task->tk_pid, xprt, diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 7f3a01a8cae..846c34fdee9 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -697,7 +697,7 @@ out_abort:   */  void xprt_connect(struct rpc_task *task)  { -	struct rpc_xprt	*xprt = task->tk_xprt; +	struct rpc_xprt	*xprt = task->tk_rqstp->rq_xprt;  	dprintk("RPC: %5u xprt_connect xprt %p %s connected\n", task->tk_pid,  			xprt, (xprt_connected(xprt) ? "is" : "is not")); @@ -730,7 +730,7 @@ void xprt_connect(struct rpc_task *task)  static void xprt_connect_status(struct rpc_task *task)  { -	struct rpc_xprt	*xprt = task->tk_xprt; +	struct rpc_xprt	*xprt = task->tk_rqstp->rq_xprt;  	if (task->tk_status == 0) {  		xprt->stat.connect_count++;  |