From: utx@penguin.cz (Stanislav Brabec)
To: linux-arm-kernel@lists.infradead.org
Subject: [Zaurus-devel] [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception
Date: Mon, 11 Jul 2011 22:56:31 +0200 [thread overview]
Message-ID: <1310417791.17423.3.camel@utx.lan> (raw)
In-Reply-To: <1310410051-13127-1-git-send-email-morpheus.ibis@gmail.com>
Pavel Herrmann wrote:
> spi_sync call uses its spi_message parameter to keep completion information,
> having this structure static is not thread-safe, potentially causing one
> thread having pointers to memory on or above other threads stack. use mutex
> to prevent multiple access
>
> Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
> Acked-by: Pavel Machek <pavel@ucw.cz>
> Acked-by: Marek Vasut <marek.vasut@gmail.com>
> Acked-by: Cyril Hrubis <metan@ucw.cz>
Tested-by: Stanislav Brabec <utx@penguin.cz>
Tested on spitz, fixed previously reproducible OOPSes and kernel panic.
(See thread "kernel panic in spi_complete() on spitz (PXA270)" in
linux-arm-kernel at lists.infradead.org.)
--
________________________________________________________________________
Stanislav Brabec
http://www.penguin.cz/~utx/zaurus
WARNING: multiple messages have this Message-ID (diff)
From: Stanislav Brabec <utx@penguin.cz>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [lm-sensors] [Zaurus-devel] [PATCH v2] MAX1111: Fix Race
Date: Mon, 11 Jul 2011 20:56:31 +0000 [thread overview]
Message-ID: <1310417791.17423.3.camel@utx.lan> (raw)
In-Reply-To: <1310410051-13127-1-git-send-email-morpheus.ibis@gmail.com>
Pavel Herrmann wrote:
> spi_sync call uses its spi_message parameter to keep completion information,
> having this structure static is not thread-safe, potentially causing one
> thread having pointers to memory on or above other threads stack. use mutex
> to prevent multiple access
>
> Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
> Acked-by: Pavel Machek <pavel@ucw.cz>
> Acked-by: Marek Vasut <marek.vasut@gmail.com>
> Acked-by: Cyril Hrubis <metan@ucw.cz>
Tested-by: Stanislav Brabec <utx@penguin.cz>
Tested on spitz, fixed previously reproducible OOPSes and kernel panic.
(See thread "kernel panic in spi_complete() on spitz (PXA270)" in
linux-arm-kernel@lists.infradead.org.)
--
________________________________________________________________________
Stanislav Brabec
http://www.penguin.cz/~utx/zaurus
_______________________________________________
lm-sensors mailing list
lm-sensors@lm-sensors.org
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
next prev parent reply other threads:[~2011-07-11 20:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-11 18:47 [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Pavel Herrmann
2011-07-11 18:47 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing NULL Pavel Herrmann
2011-07-11 20:11 ` [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Jean Delvare
2011-07-11 20:11 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing Jean Delvare
2011-07-11 20:36 ` [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Pavel Herrmann
2011-07-11 20:36 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing Pavel Herrmann
2011-07-11 21:03 ` [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Guenter Roeck
2011-07-11 21:03 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing Guenter Roeck
2011-07-11 21:49 ` [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Pavel Herrmann
2011-07-11 21:49 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing Pavel Herrmann
2011-07-12 6:48 ` [PATCH v2] MAX1111: Fix Race condition causing NULL pointer exception Jean Delvare
2011-07-12 6:48 ` [lm-sensors] [PATCH v2] MAX1111: Fix Race condition causing Jean Delvare
2011-07-11 20:56 ` Stanislav Brabec [this message]
2011-07-11 20:56 ` [lm-sensors] [Zaurus-devel] [PATCH v2] MAX1111: Fix Race Stanislav Brabec
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