From: Jiri Slaby <jirislaby@gmail.com>
Date: Mon, 12 Feb 2007 08:55:11 +0000 (-0800)
Subject: [PATCH] Video: fb, add true ref_count atomicity
X-Git-Tag: v2.6.21-rc1~274^2~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4f28e54d61278203c2bb2aea0679e0a738235d2;p=pandora-kernel.git

[PATCH] Video: fb, add true ref_count atomicity

Some of fb drivers uses atomic_t in bad manner, since there are still some
race-prone gaps.  Use mutexes to protect open/close code sections with
ref_count testing and finally use simple uint.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Denis Oliver Kropp <dok@directfb.org>
Cc: James Simmons <jsimmons@infradead.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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