Prevent a (temporary) hang when shutting down an rpc_clnt that has
used one or more GSS creds.
I noticed that callers of rpc_call_null_helper() use a common set of
flags, so I collected them all in that helper function.
Signed-off-by: Chuck Lever <[email protected]>
---
net/sunrpc/auth_gss/auth_gss.c | 2 +-
net/sunrpc/clnt.c | 10 ++++------
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index ac5cac0dd24b..16cec9755b86 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1285,7 +1285,7 @@ static void gss_pipe_free(struct gss_pipe *p)
ctx->gc_proc = RPC_GSS_PROC_DESTROY;
task = rpc_call_null(gss_auth->client, &new->gc_base,
- RPC_TASK_ASYNC|RPC_TASK_SOFT);
+ RPC_TASK_ASYNC);
if (!IS_ERR(task))
rpc_put_task(task);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 325a0858700f..ddc98b97c170 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2742,7 +2742,8 @@ struct rpc_task *rpc_call_null_helper(struct rpc_clnt *clnt,
.rpc_op_cred = cred,
.callback_ops = (ops != NULL) ? ops : &rpc_default_ops,
.callback_data = data,
- .flags = flags | RPC_TASK_NULLCREDS,
+ .flags = flags | RPC_TASK_SOFT | RPC_TASK_SOFTCONN |
+ RPC_TASK_NULLCREDS,
};
return rpc_run_task(&task_setup_data);
@@ -2805,8 +2806,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
goto success;
}
- task = rpc_call_null_helper(clnt, xprt, NULL,
- RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC|RPC_TASK_NULLCREDS,
+ task = rpc_call_null_helper(clnt, xprt, NULL, RPC_TASK_ASYNC,
&rpc_cb_add_xprt_call_ops, data);
if (IS_ERR(task))
return PTR_ERR(task);
@@ -2850,9 +2850,7 @@ int rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *clnt,
goto out_err;
/* Test the connection */
- task = rpc_call_null_helper(clnt, xprt, NULL,
- RPC_TASK_SOFT | RPC_TASK_SOFTCONN | RPC_TASK_NULLCREDS,
- NULL, NULL);
+ task = rpc_call_null_helper(clnt, xprt, NULL, 0, NULL, NULL);
if (IS_ERR(task)) {
status = PTR_ERR(task);
goto out_err;