netdev - Re: [PATCH net-next] can: pch_can: pch_can_error(): initialize errc before using it

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] [day] [month] [year] [list]

Message-Id: <165845521387.922.8823304957699439976.git-patchwork-notify@kernel.org>
Date:   Fri, 22 Jul 2022 02:00:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Marc Kleine-Budde <mkl@...gutronix.de>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        linux-can@...r.kernel.org, kernel@...gutronix.de,
        mailhol.vincent@...adoo.fr, nathan@...nel.org
Subject: Re: [PATCH net-next] can: pch_can: pch_can_error(): initialize errc
 before using it

Hello:

This patch was applied to netdev/net-next.git (master)
by Marc Kleine-Budde <mkl@...gutronix.de>:

On Thu, 21 Jul 2022 18:30:42 +0200 you wrote:
> From: Vincent Mailhol <mailhol.vincent@...adoo.fr>
> 
> After commit 3a5c7e4611dd, the variable errc is accessed before being
> initialized, c.f. below W=2 warning:
> 
> | In function 'pch_can_error',
> |     inlined from 'pch_can_poll' at drivers/net/can/pch_can.c:739:4:
> | drivers/net/can/pch_can.c:501:29: warning: 'errc' may be used uninitialized [-Wmaybe-uninitialized]
> |   501 |                 cf->data[6] = errc & PCH_TEC;
> |       |                             ^
> | drivers/net/can/pch_can.c: In function 'pch_can_poll':
> | drivers/net/can/pch_can.c:484:13: note: 'errc' was declared here
> |   484 |         u32 errc, lec;
> |       |             ^~~~
> 
> [...]

Here is the summary with links:
  - [net-next] can: pch_can: pch_can_error(): initialize errc before using it
    https://git.kernel.org/netdev/net-next/c/9950f1121133

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html