linux-kernel - Re: [PATCH] net/smc: sync err info when TCP connection is refused

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Date:   Thu, 21 Apr 2022 10:09:48 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     yacanliu@....com, kgraul@...ux.ibm.com, davem@...emloft.net,
        kuba@...nel.org
Cc:     linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, liuyacan <liuyacan@...p.netease.com>
Subject: Re: [PATCH] net/smc: sync err info when TCP connection is refused

On Sun, 2022-04-17 at 20:33 +0800, yacanliu@....com wrote:
> From: liuyacan <liuyacan@...p.netease.com>
> 
> In the current implementation, when TCP initiates a connection
> to an unavailable [ip,port], ECONNREFUSED will be stored in the
> TCP socket, but SMC will not. However, some apps (like curl) use
> getsockopt(,,SO_ERROR,,) to get the error information, which makes
> them miss the error message and behave strangely.
> 
> Signed-off-by: liuyacan <liuyacan@...p.netease.com>

Could you please formally re-submit for -net (inclusing NET into the
patch subj) with a suitable 'fixes' tag? You can retain the already
collected reviewed/ack-by tags.

Thanks!

Paolo