netdev - Re: [PATCH net-next] net: Remove redundant if statements

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Message-ID: <4b175501-50c1-fedf-1eaf-05c0de67c3c8@tessares.net>
Date:   Fri, 6 Aug 2021 10:58:20 +0200
From:   Matthieu Baerts <matthieu.baerts@...sares.net>
To:     Yajun Deng <yajun.deng@...ux.dev>, davem@...emloft.net,
        kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: Remove redundant if statements

Hi Yajun,

Thank you for sharing this patch.

On 06/08/2021 08:38, Yajun Deng wrote:
> The if statement already move into sock_{put , hold},
> just remove it.

I was wondering in which subtree you had 'sock_put' checking the socket
pointer but then I realised you sent another patch just before adding
this check: "net: sock: add the case if sk is NULL"

Please next time send them in the same series to clearly indicate that
this is the 2nd patch (2/2) and it depends on patch 1/2.

Related to the modification in MPTCP part: it looks OK but we do a few
other calls to 'sock_put()' where we don't need to check if the socket
is NULL or not.

In other words, if your patch "net: sock: add the case if sk is NULL" is
accepted, then the modification in "net/mptcp/subflow.c" is OK for us.

Cheers,
Matt
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