linux-kernel - Re: [PATCH v2] selftest: net: prevent use of uninitialized variable

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Message-Id: 
 <176135700577.4120655.10364267359762972985.git-patchwork-notify@kernel.org>
Date: Sat, 25 Oct 2025 01:50:05 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Alessandro Zanni <alessandro.zanni87@...il.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, horms@...nel.org, shuah@...nel.org,
 netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftest: net: prevent use of uninitialized variable

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 23 Oct 2025 22:53:52 +0200 you wrote:
> Fix to avoid the usage of the `ret` variable uninitialized in the
> following macro expansions.
> 
> It solves the following warning:
> 
> In file included from netlink-dumps.c:21:
> netlink-dumps.c: In function ‘dump_extack’:
> ../kselftest_harness.h:788:35: warning: ‘ret’ may be used uninitialized [-Wmaybe-uninitialized]
>   788 |                         intmax_t  __exp_print = (intmax_t)__exp; \
>       |                                   ^~~~~~~~~~~
> ../kselftest_harness.h:631:9: note: in expansion of macro ‘__EXPECT’
>   631 |         __EXPECT(expected, #expected, seen, #seen, ==, 0)
>       |         ^~~~~~~~
> netlink-dumps.c:169:9: note: in expansion of macro ‘EXPECT_EQ’
>   169 |         EXPECT_EQ(ret, FOUND_EXTACK);
>       |         ^~~~~~~~~
> 
> [...]

Here is the summary with links:
  - [v2] selftest: net: prevent use of uninitialized variable
    https://git.kernel.org/netdev/net-next/c/13cb6ac5b506

You are awesome, thank you!
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