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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-01-08 10:08:33 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-02-01 10:13:47 -0500
commitad2368d6f5ec6467b9503176e9fb878daf999629 (patch)
tree0688b822d1b969a9b0771a7b10e4a9420f9cf418 /net
parent45bc0dce9879505d6fd9ff68dcd0359fb260dfd7 (diff)
downloadop-kernel-dev-ad2368d6f5ec6467b9503176e9fb878daf999629.zip
op-kernel-dev-ad2368d6f5ec6467b9503176e9fb878daf999629.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/clnt.c4
-rw-r--r--net/sunrpc/xprt.c4
2 files changed, 4 insertions, 4 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 6b3411b..a9f7906 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 7f3a01a..846c34f 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++;
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