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From: Evgeny Kuznetsov <EXT-Eugeny.Kuznetsov@nokia.com>
To: tony@atomide.com
Cc: linux@arm.linux.org.uk, khilman@deeprootsystems.com,
	ext-eugeny.kuznetsov@nokia.com, linux-kernel@vger.kernel.org,
	balbi@ti.com, tero.kristo@nokia.com, akpm@linux-foundation.org,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	charu@ti.com
Subject: [PATCHv2 0/1] omap: Ptr "isr_reg" tracked as NULL was dereferenced
Date: Wed, 13 Oct 2010 14:04:49 +0400	[thread overview]
Message-ID: <cover.1286961160.git.EXT-Eugeny.Kuznetsov@nokia.com> (raw)

Hi,

Here is second version of patch which fixes bug in 
/arch/arm/plat-omap/gpio.c file.
Pointer which may have NULL value in some cases (depend on kernel
configuration and GPIO method) is dereferenced later in code.

I removed BUG() macro to do not halt code execution accoding to comments.
And added WARN_ON() macro and exit from function if pointer "isr_reg" is NULL.
Also compilation check is added for correct architecture
configuration.

Thanks,
Evgeny

Evgeny Kuznetsov (1):
  omap: Ptr "isr_reg" tracked as NULL was dereferenced

 arch/arm/plat-omap/gpio.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

             reply	other threads:[~2010-10-13 10:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-13 10:04 Evgeny Kuznetsov [this message]
2010-10-13 10:04 ` [PATCHv2 1/1] omap: Ptr "isr_reg" tracked as NULL was dereferenced 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

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