linux-kernel - Re: [PATCH] ARM: pl330: fix null pointer dereference in pl330_chan

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Message-ID: <20120113130222.GU1068@n2100.arm.linux.org.uk>
Date:	Fri, 13 Jan 2012 13:02:22 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Mans Rullgard <mans.rullgard@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linaro-dev@...ts.linaro.org,
	patches@...aro.org, Jassi Brar <jaswinder.singh@...aro.org>,
	Javi Merino <javi.merino@....com>,
	Lucas De Marchi <lucas.demarchi@...fusion.mobi>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: pl330: fix null pointer dereference in
	pl330_chan_ctrl()

On Fri, Jan 13, 2012 at 12:36:31PM +0000, Mans Rullgard wrote:
> This fixes the thrd->req_running field being accessed before thrd
> is checked for null.  The error was introduced in abb959f.
> 
> Signed-off-by: Mans Rullgard <mans.rullgard@...aro.org>

I don't know what's happening with the PL330 driver, but there's patches
around to remove this file and merge it with the DMA engine driver.
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