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* re: SUNRPC: Fail over more quickly on connect errors
@ 2010-05-22 20:23 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-05-22 20:23 UTC (permalink / raw)
  To: Trond.Myklebust; +Cc: linux-nfs

I'm going through some smatch stuff and it complains about a potential
null dereference from a8ce4a8f37: "SUNRPC: Fail over more quickly on 
connect errors"

--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -710,7 +710,7 @@ void xprt_connect(struct rpc_task *task)
                if (task->tk_rqstp)
                ^^^^^^^^^^^^^^^^^^^

	We assume task->tk_rqstp can be null here.

                        task->tk_rqstp->rq_bytes_sent = 0;
 
-               task->tk_timeout = xprt->connect_timeout;
+               task->tk_timeout = task->tk_rqstp->rq_timeout;
                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^

	We dereference it here.

                rpc_sleep_on(&xprt->pending, task, xprt_connect_status);
 
                if (test_bit(XPRT_CLOSING, &xprt->state))

regards,
dan carpenter


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2010-05-22 20:23 SUNRPC: Fail over more quickly on connect errors Dan Carpenter

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