From: Stanley Miao <stanley.miao@windriver.com>
Date: Fri, 19 Dec 2008 14:08:22 +0000 (+0800)
Subject: ALSA: Fix a Oops bug in omap soc driver.
X-Git-Tag: v2.6.27.11~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=437ae2fcbfc1e2d8edea897a372d37f827cdcb41;p=thirdparty%2Fkernel%2Fstable.git

ALSA: Fix a Oops bug in omap soc driver.

commit 19b3f31609dc8be3a56c78dcb7da723f10f7009c upstream.

There will be a Oops or frequent underrun messages when playing music with
omap soc driver, this is because a data region is incorretly sized, other data
region will be overwriten when writing to this data region.

Signed-off-by: Stanley Miao <stanley.miao@windriver.com>
Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c
index 690bfeaec4a0e..5e023ba088203 100644
--- a/sound/soc/omap/omap-pcm.c
+++ b/sound/soc/omap/omap-pcm.c
@@ -231,7 +231,7 @@ static int omap_pcm_open(struct snd_pcm_substream *substream)
 	if (ret < 0)
 		goto out;
 
-	prtd = kzalloc(sizeof(prtd), GFP_KERNEL);
+	prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);
 	if (prtd == NULL) {
 		ret = -ENOMEM;
 		goto out;