From: tony@atomide•com (Tony Lindgren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCHv2 1/1] omap: Ptr "isr_reg" tracked as NULL was dereferenced
Date: Mon, 18 Oct 2010 16:11:47 -0700 [thread overview]
Message-ID: <20101018231147.GK13341@atomide.com> (raw)
In-Reply-To: <1287123378.12782.49.camel@ekuznets-lx-nokia>
* Evgeny Kuznetsov <EXT-Eugeny.Kuznetsov@nokia•com> [101014 23:11]:
> On Wed, 2010-10-13 at 16:09 +0400, Evgeny Kuznetsov wrote:
> > On Wed, 2010-10-13 at 17:20 +0530, ext Varadarajan, Charulatha wrote:
> Hi Tony,
>
> It is not a bug fix, it is just check to prevent potential issues. Used
> to warn in case of bug and prevent kernel oops. Check added only here
> (not all gpio code cleanup) since here it could cause kernel opps.
>
> Would you apply patch if I will leave only if condition section in
> patch?
>
> if (WARN_ON(!isr_reg))
> goto exit;
>
> If yes, I'll resend v3 patch.
Sounds like a valid check to me.
Tony
prev parent reply other threads:[~2010-10-18 23:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-13 10:04 [PATCHv2 0/1] omap: Ptr "isr_reg" tracked as NULL was dereferenced Evgeny Kuznetsov
2010-10-13 10:04 ` [PATCHv2 1/1] " Evgeny Kuznetsov
2010-10-13 10:55 ` Varadarajan, Charulatha
2010-10-13 11:43 ` Evgeny Kuznetsov
2010-10-13 11:50 ` Varadarajan, Charulatha
2010-10-13 12:09 ` Evgeny Kuznetsov
2010-10-15 6:16 ` Evgeny Kuznetsov
2010-10-18 23:11 ` Tony Lindgren [this message]
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