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Date: Mon, 22 Jan 2024 11:06:57 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Dan Carpenter <dan.carpenter@...aro.org>, Kunwu Chan
 <chentao@...inos.cn>, xen-devel@...ts.xenproject.org,
 kernel-janitors@...r.kernel.org
Cc: LKML <linux-kernel@...r.kernel.org>, kernel test robot <lkp@...el.com>,
 Boris Ostrovsky <boris.ostrovsky@...cle.com>, Borislav Petkov
 <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
 Jürgen Groß <jgross@...e.com>,
 Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
 Jonathan Corbet <corbet@....net>
Subject: Re: [v2] x86/xen: Add some null pointer checking to smp.c

>>> How do you think about to use another label like “e_nomem”?
>> I'll add a new label to simply the code.
>
> I'm not a Xen maintainer so I can't really comment on their style choices.

Linux contributors can discuss various implementation details.


> However, as one of the kernel-janitors list people, I would
> say that not everyone agrees with Markus's style preferences.

Can a corresponding document be improved accordingly?

Centralized exiting of functions
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?h=v6.8-rc1#n526

Do you find a related information source helpful?
https://wiki.sei.cmu.edu/confluence/display/c/MEM12-C.+Consider+using+a+goto+chain+when+leaving+a+function+on+error+when+using+and+releasing+resources

Regards,
Markus

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