linux-kernel - Re: [PATCH net-next v2 1/2] net/smc: non blocking recvmsg() return -EAGAIN when no data and signal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <YnyCblJuPf+UAvjY@TonyMac-Alibaba>
Date:   Thu, 12 May 2022 11:43:42 +0800
From:   Tony Lu <tonylu@...ux.alibaba.com>
To:     Guangguan Wang <guangguan.wang@...ux.alibaba.com>
Cc:     kgraul@...ux.ibm.com, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, linux-s390@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 1/2] net/smc: non blocking recvmsg() return
 -EAGAIN when no data and signal_pending

On Thu, May 12, 2022 at 11:11:55AM +0800, Guangguan Wang wrote:
> Non blocking sendmsg will return -EAGAIN when any signal pending
> and no send space left, while non blocking recvmsg return -EINTR
> when signal pending and no data received. This may makes confused.
> As TCP returns -EAGAIN in the conditions described above. Align the
> behavior of smc with TCP.
> 
> Fixes: 846e344eb722 ("net/smc: add receive timeout check")
> Signed-off-by: Guangguan Wang <guangguan.wang@...ux.alibaba.com>
> Reviewed-by: Tony Lu <tonylu@...ux.alibaba.com>

I see that you have already sent this patch to net, so this patch is a
duplicate. There is no need to send it again to net-next.

Thanks,
Tony Lu