linux-kernel - Re: [PATCH v1 1/1] kasan: Replace strreplace() with strchrnul()

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Message-ID: <ZJ2YM96/jTi6E4Rk@smile.fi.intel.com>
Date:   Thu, 29 Jun 2023 17:41:55 +0300
From:   'Andy Shevchenko' <andriy.shevchenko@...ux.intel.com>
To:     David Laight <David.Laight@...lab.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "kasan-dev@...glegroups.com" <kasan-dev@...glegroups.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>
Subject: Re: [PATCH v1 1/1] kasan: Replace strreplace() with strchrnul()

On Thu, Jun 29, 2023 at 02:32:13PM +0000, David Laight wrote:
> From: Andy Shevchenko
> > Sent: 28 June 2023 16:34

...

> >  		/* Strip line number; without filename it's not very helpful. */
> > -		strreplace(token, ':', '\0');
> > +		p[strchrnul(token, ':') - token] = '\0';
> 
> Isn't 'p' undefined here?

Yep, should be token. Not sure what I was thinking about...

-- 
With Best Regards,
Andy Shevchenko