netdev - [PATCH RFC 04/15] SUNRPC: Fail faster on bad verifier

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Date:   Mon, 18 Apr 2022 12:51:34 -0400
From:   Chuck Lever <chuck.lever@...cle.com>
To:     netdev@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-nvme@...ts.infradead.org, linux-cifs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Cc:     ak@...pesta-tech.com, borisp@...dia.com, simo@...hat.com
Subject: [PATCH RFC 04/15] SUNRPC: Fail faster on bad verifier

A bad verifier is not a garbage argument, it's an authentication
failure. Retrying it doesn't make the problem go away, and delays
upper layer recovery steps.

Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
---
 net/sunrpc/clnt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index af0174d7ce5a..ef3d7e4a26e7 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2639,7 +2639,7 @@ rpc_decode_header(struct rpc_task *task, struct xdr_stream *xdr)
 
 out_verifier:
 	trace_rpc_bad_verifier(task);
-	goto out_garbage;
+	goto out_err;
 
 out_msg_denied:
 	error = -EACCES;