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>
This commit is contained in:
ZhangXiaoxu 2019-04-29 17:32:31 +08:00 committed by Anna Schumaker
parent f02f3755db
commit 9c5948c248

View File

@ -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);