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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>
This commit is contained in:
Trond Myklebust 2013-01-08 10:08:33 -05:00
parent 45bc0dce98
commit ad2368d6f5
2 changed files with 4 additions and 4 deletions
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4
net/sunrpc/clnt.c
View File

@ -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,

4
net/sunrpc/xprt.c
View File

@ -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++;