linux-kernel - Re: [PATCH] ch_ktls: fix build warning for ipv4-only config

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Message-ID: <20201205152351.055d3f05@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com>
Date:   Sat, 5 Dec 2020 15:23:51 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Ayush Sawal <ayush.sawal@...lsio.com>,
        Vinay Kumar Yadav <vinay.yadav@...lsio.com>,
        Rohit Maheshwari <rohitm@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Arnd Bergmann <arnd@...db.de>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Networking <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] ch_ktls: fix build warning for ipv4-only config

On Sun, 6 Dec 2020 00:18:44 +0100 Arnd Bergmann wrote:
> > This is for evrey clang build or just W=1+? Would be annoying if clang
> > produced this on every build with 5.10 (we need to decide fix vs -next).  
> 
> The -Wsometimes-uninitialized is enabled unconditionally for clang,
> but this only happens for IPv4-only configurations with IPv6 disabled,
> so most real configurations should not observe it, but the fix should still
> go into v5.10.

Great, I guessed correctly :)