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Message-ID: <Y8kUSPZSEOE57reb@hog>
Date: Thu, 19 Jan 2023 10:58:32 +0100
From: Sabrina Dubroca <sd@...asysnail.net>
To: Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH net] net/ulp: use consistent error code when blocking ULP
2023-01-18, 13:24:12 +0100, Paolo Abeni wrote:
> The referenced commit changed the error code returned by the kernel
> when preventing a non-established socket from attaching the ktls
> ULP. Before to such a commit, the user-space got ENOTCONN instead
> of EINVAL.
>
> The existing self-tests depend on such error code, and the change
> caused a failure:
>
> RUN global.non_established ...
> tls.c:1673:non_established:Expected errno (22) == ENOTCONN (107)
> non_established: Test failed at step #3
> FAIL global.non_established
>
> In the unlikely event existing applications do the same, address
> the issue by restoring the prior error code in the above scenario.
>
> Note that the only other ULP performing similar checks at init
> time - smc_ulp_ops - also fails with ENOTCONN when trying to attach
> the ULP to a non-established socket.
>
> Reported-by: Sabrina Dubroca <sd@...asysnail.net>
> Fixes: 2c02d41d71f9 ("net/ulp: prevent ULP without clone op from entering the LISTEN status")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Reviewed-by: Sabrina Dubroca <sd@...asysnail.net>
Thanks Paolo.
--
Sabrina
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