linux-kernel - Re: [PATCH 1/9] devres: WARN() and return, don't crash on device

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Message-ID: <4A5D5830.6000206@kernel.org>
Date:	Wed, 15 Jul 2009 13:16:48 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...e.de>
CC:	linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Kay Sievers <kay.sievers@...y.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/9] devres: WARN() and return, don't crash on device_del()
 of uninitialized device

Greg Kroah-Hartman wrote:
> From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> 
> I just debugged an obscure crash caused by a device_del() of a all NULL'd
> out struct device (in usb-serial) and found that a patch like this one would
> have saved me time (in addition to improved chances of a bug report from
> users hitting similar driver bugs).
> 
> [akpm@...ux-foundation.org: cleanup]
> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Kay Sievers <kay.sievers@...y.org>
> Cc: Tejun Heo <tj@...nel.org>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

Acked-by: Tejun Heo <tj@...nel.org>

-- 
tejun
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