[alsa-devel] [PATCH] ASoC: DaVinci: fix kernel panic due to uninitialized platform_data
From: Liam Girdwood <hidden>
Date: 2011-01-27 20:42:13
Also in:
alsa-devel, lkml
On Thu, 2011-01-27 at 19:17 +0530, Manjunathappa, Prakash wrote:
quoted hunk ↗ jump to hunk
This patch fixes the Kernel panic issue on accessing davinci_vc in cq93vc_probe function. struct davinci_vc is part of platform device's private driver data(codec->dev->p->driver_data) and this is populated by DaVinci Voice Codec MFD driver. Signed-off-by: Manjunathappa, Prakash <redacted> --- This patch applies to Linus's tree at [1]. [1] http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git --- sound/soc/codecs/cq93vc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)diff --git a/sound/soc/codecs/cq93vc.c b/sound/soc/codecs/cq93vc.c index 46dbfd0..347a567 100644 --- a/sound/soc/codecs/cq93vc.c +++ b/sound/soc/codecs/cq93vc.c@@ -153,7 +153,7 @@ static int cq93vc_resume(struct snd_soc_codec *codec) static int cq93vc_probe(struct snd_soc_codec *codec) { - struct davinci_vc *davinci_vc = codec->dev->platform_data; + struct davinci_vc *davinci_vc = snd_soc_codec_get_drvdata(codec); davinci_vc->cq93vc.codec = codec; codec->control_data = davinci_vc;
Acked-by: Liam Girdwood <redacted> -- Freelance Developer, SlimLogic Ltd ASoC and Voltage Regulator Maintainer. http://www.slimlogic.co.uk