Messages in this thread Patch in this message | | | From | Xiyu Yang <> | Subject | [PATCH v2] SUNRPC: Remove unreachable error condition | Date | Mon, 20 Apr 2020 23:14:19 +0800 |
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rpc_clnt_test_and_add_xprt() invokes rpc_call_null_helper(), which return the value of rpc_run_task() to "task". Since rpc_run_task() is impossible to return an ERR pointer, there is no need to add the IS_ERR() condition on "task" here. So we need to remove it.
Fixes: 7f554890587c ("SUNRPC: Allow addition of new transports to a struct rpc_clnt") Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn> Signed-off-by: Xin Tan <tanxin.ctf@gmail.com> --- Changes in v2: - Remove useless IS_ERR check instead of fixing a refcnt leak in this error path --- net/sunrpc/clnt.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 7324b21f923e..5957e336caf7 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2803,8 +2803,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt, task = rpc_call_null_helper(clnt, xprt, NULL, RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC|RPC_TASK_NULLCREDS, &rpc_cb_add_xprt_call_ops, data); - if (IS_ERR(task)) - return PTR_ERR(task); + rpc_put_task(task); success: return 1; -- 2.7.4
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