linux-kernel - Re: [PATCH -mm] fb: fix NULL pointer BUG dereference in fb

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Message-Id: <20081004102002.36184141A442@f15.poczta.interia.pl>
Date:	04 Oct 2008 12:20:02 +0200
From:	krzysztof.h1@...zta.fm
To:	"righi.andrea@...il.com" <righi.andrea@...il.com>,
	Krzysztof Helt <krzysztof.h1@...zta.fm>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"adaplas@...il.com" <adaplas@...il.com>
Cc:	"linux-fbdev-devel@...ts.sourceforge.net" 
	<linux-fbdev-devel@...ts.sourceforge.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -mm] fb: fix NULL pointer BUG dereference in fb_open()

> Accessing to an unregistered fb device raises the following bug, because
> mutex_unlock() is called on fb_info->lock, but fb_info is NULL.
> 
> Also use a better coding style.
> 

Acked-by: Krzysztof Helt <krzysztof.h1@...pl>

----------------------------------------------------------------------
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