linux-kernel - Re: [PATCH v5] sparc: vDSO: fix return value of _

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Date: Fri, 16 Feb 2024 17:23:48 +0100
From: Andreas Larsson <andreas@...sler.com>
To: Randy Dunlap <rdunlap@...radead.org>, linux-kernel@...r.kernel.org
Cc: Igor Zhbanov <izh1979@...il.com>, "David S. Miller"
 <davem@...emloft.net>, sparclinux@...r.kernel.org,
 Dan Carpenter <dan.carpenter@...cle.com>,
 Nick Alcock <nick.alcock@...cle.com>, Sam Ravnborg <sam@...nborg.org>,
 Andrew Morton <akpm@...ux-foundation.org>, stable@...r.kernel.org,
 Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v5] sparc: vDSO: fix return value of __setup handler

On 2024-02-11 06:28, Randy Dunlap wrote:
> __setup() handlers should return 1 to obsolete_checksetup() in
> init/main.c to indicate that the boot option has been handled.
> A return of 0 causes the boot option/value to be listed as an Unknown
> kernel parameter and added to init's (limited) argument or environment
> strings. Also, error return codes don't mean anything to
> obsolete_checksetup() -- only non-zero (usually 1) or zero.
> So return 1 from vdso_setup().
> 
> Fixes: 9a08862a5d2e ("vDSO for sparc")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: Igor Zhbanov <izh1979@...il.com>
> Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@...russia.ru
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: sparclinux@...r.kernel.org
> Cc: Dan Carpenter <dan.carpenter@...cle.com>
> Cc: Nick Alcock <nick.alcock@...cle.com>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: stable@...r.kernel.org
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Andreas Larsson <andreas@...sler.com>

Applied to my for-next branch.

Thanks,
Andreas