Re: [PATCH 3/8] SUNRPC: Use RPC procedure name in call_verify

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On May 20, 2008, at 5:21 PM, Trond Myklebust wrote:

On Tue, 2008-05-20 at 16:29 -0400, Chuck Lever wrote:
Making debugging output a little cleaner in call_verify by displaying the
name of the RPC procedure instead of it's number.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---

net/sunrpc/clnt.c |    4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)


diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index adbc85c..5aa32fa 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1431,10 +1431,10 @@ call_verify(struct rpc_task *task)
		error = -EPROTONOSUPPORT;
		goto out_err;
	case RPC_PROC_UNAVAIL:
-		dprintk("RPC: %5u %s: proc %p unsupported by program %u, "
+		dprintk("RPC: %5u %s: proc %s unsupported by program %u, "
				"version %u on server %s\n",
				task->tk_pid, __func__,
-				task->tk_msg.rpc_proc,
+				task->tk_msg.rpc_proc->p_name,
				task->tk_client->cl_prog,
				task->tk_client->cl_vers,
				task->tk_client->cl_server);

This will cause a crash if you ever call it while somebody is calling
rpc_call_null. There may be other cases too.

How could you ever get an RPC_PROC_UNAVAIL with a NULL RPC?

--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
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