Re: [PATCH] SUNRPC: task should be exit if encode return EKEYEXPIRED more times

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ping.

On 5/4/2019 2:15 PM, zhangxiaoxu (A) wrote:
ping.

On 4/29/2019 5:32 PM, ZhangXiaoxu wrote:
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@xxxxxxxxxx>
---
  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 8ff11dc..a32d3f1 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1793,7 +1793,14 @@ 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_exit(task, task->tk_status);



.





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