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authorZhangXiaoxu <zhangxiaoxu5@huawei.com>2019-04-29 17:32:31 +0800
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-05-09 16:26:56 -0400
commit9c5948c248696ca60c56ec5a608e225c4ab8a854 (patch)
tree1969a626d5db2dad4cb8352930df563a427299d0 /net
parentf02f3755dbd14fb935d24b14650fff9ba92243b8 (diff)
downloadlinux-9c5948c248696ca60c56ec5a608e225c4ab8a854.tar.gz
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>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/clnt.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 369a2648dafc..c1f1afabd024 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);