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Date: Wed, 10 Dec 2025 18:13:18 +0900
From: Jakub Kicinski <kuba@kernel.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Shuah Khan <shuah@kernel.org>, Christian Brauner <brauner@kernel.org>,
 Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Eric
 Dumazet <edumazet@google.com>, Kees Cook <kees@kernel.org>,
 linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
 wine-devel@winehq.org, netdev@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH v2 08/13] selftests: net: netlink-dumps: Avoid
 uninitialized variable warning
Message-ID: <20251210181318.73075886@kernel.org>
In-Reply-To: <20251205171010.515236-9-linux@roeck-us.net>
References: <20251205171010.515236-1-linux@roeck-us.net>
	<20251205171010.515236-9-linux@roeck-us.net>
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On Fri,  5 Dec 2025 09:10:02 -0800 Guenter Roeck wrote:
> The following warning is seen when building netlink-dumps.
>=20
> netlink-dumps.c: In function =E2=80=98dump_extack=E2=80=99:
> ../kselftest_harness.h:788:35: warning: =E2=80=98ret=E2=80=99 may be used=
 uninitialized
>=20
> Problem is that the loop which initializes 'ret' may exit early without
> initializing the variable if recv() returns an error. Always initialize
> 'ret' to solve the problem.

Are you sure you're working off the latest tree? I think this should
already be fixed by 13cb6ac5b50

I applied the other 3 networking changes.