From 9c5948c248696ca60c56ec5a608e225c4ab8a854 Mon Sep 17 00:00:00 2001
From: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Date: Mon, 29 Apr 2019 17:32:31 +0800
Subject: [PATCH] SUNRPC: task should be exit if encode return EKEYEXPIRED more
times
If the rpc.gssd always return cred success, but now the cred is
expired, then the task will loop in call_refresh and call_transmit.
Exit the rpc task after retry.
Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
net/sunrpc/clnt.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 369a2648dafc2..c1f1afabd0242 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1814,7 +1814,14 @@ call_encode(struct rpc_task *task)
rpc_delay(task, HZ >> 4);
break;
case -EKEYEXPIRED:
- task->tk_action = call_refresh;
+ if (!task->tk_cred_retry) {
+ rpc_exit(task, task->tk_status);
+ } else {
+ task->tk_action = call_refresh;
+ task->tk_cred_retry--;
+ dprintk("RPC: %5u %s: retry refresh creds\n",
+ task->tk_pid, __func__);
+ }
break;
default:
rpc_call_rpcerror(task, task->tk_status);
--
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