linux-kernel - Re: [GIT PULL] Networking for 5.17

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Date:   Mon, 10 Jan 2022 19:42:47 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Jakub Kicinski <kuba@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Pablo Neira Ayuso <pablo@...filter.org>
Cc:     David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Networking for 5.17

On Mon, Jan 10, 2022 at 7:31 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Merged. But I now note that this actually triggers an error when
> building with clang:
>
>   net/netfilter/nf_tables_api.c:8278:4: error: variable 'data_size' is
> uninitialized when used here [-Werror,-Wuninitialized]
>                           data_size += sizeof(*prule) + rule->dlen;
>                           ^~~~~~~~~
>
> and I think clang is entirely right.

I pushed out my trivial one-liner fix for this as commit 63045bfd3c8d
("netfilter: nf_tables: don't use 'data_size' uninitialized"). The
build error kept my clang builds from working, so waiting for any
alternate fix wasn't going to happen.

              Linus