From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 14 Nov 2006 12:03:19 +0000 (+0100)
Subject: [ALSA] Fix races in PCM OSS emulation
X-Git-Tag: v2.6.20-rc2~86^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3a5d59a17e9a42e3f3e0e37342b2679bab2ff43;p=pandora-kernel.git

[ALSA] Fix races in PCM OSS emulation

Fixed the race among multiple threads accessing the OSS PCM
instance concurrently by simply introducing a mutex for protecting
a setup of the PCM.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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