From: Giuliano Pochini <pochini@shiny.it>
Date: Mon, 17 Sep 2007 10:49:40 +0000 (+0200)
Subject: [ALSA] echoaudio - Add barrier() to prevent compiler optimization
X-Git-Tag: v2.6.24-rc1~832^2~53
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22d3a20030439420bf2795c60529ba0e89b4d82c;p=pandora-kernel.git

[ALSA] echoaudio - Add barrier() to prevent compiler optimization

This patch adds a barrier() to prevent the compiler from
moving the read outside of the loop. It also fixes a comment.

Signed-off-by: Giuliano Pochini <pochini@shiny.it>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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