[alsa-devel] [PATCH] ASoC: TWL4030: Module unloading fix
The module unloading path had several problems: - it freed up the private structure twice - it freed up the codec structure, which was allocated as part of the private structure - it did not freed up the reg_cache - it did not unregistered the dais and the codec
Signed-off-by: Peter Ujfalusi peter.ujfalusi@nokia.com --- sound/soc/codecs/twl4030.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index e0106a5..b32aeb3 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -2152,8 +2152,6 @@ static int twl4030_soc_remove(struct platform_device *pdev) twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF); snd_soc_free_pcms(socdev); snd_soc_dapm_free(socdev); - kfree(codec->private_data); - kfree(codec);
return 0; } @@ -2237,6 +2235,9 @@ static int __devexit twl4030_codec_remove(struct platform_device *pdev) { struct twl4030_priv *twl4030 = platform_get_drvdata(pdev);
+ snd_soc_unregister_dais(&twl4030_dai[0], ARRAY_SIZE(twl4030_dai)); + snd_soc_unregister_codec(&twl4030->codec); + kfree(twl4030->codec.reg_cache); kfree(twl4030);
twl4030_codec = NULL;
On Thu, 2010-02-04 at 09:10 +0200, Peter Ujfalusi wrote:
The module unloading path had several problems:
- it freed up the private structure twice
- it freed up the codec structure, which was allocated as part of the private structure
- it did not freed up the reg_cache
- it did not unregistered the dais and the codec
Signed-off-by: Peter Ujfalusi peter.ujfalusi@nokia.com
Acked-by: Liam Girdwood lrg@slimlogic.co.uk
On Thu, Feb 04, 2010 at 09:10:10AM +0200, Peter Ujfalusi wrote:
The module unloading path had several problems:
- it freed up the private structure twice
- it freed up the codec structure, which was allocated as part of the private structure
- it did not freed up the reg_cache
- it did not unregistered the dais and the codec
Signed-off-by: Peter Ujfalusi peter.ujfalusi@nokia.com
Applied, thanks.
participants (3)
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Liam Girdwood
-
Mark Brown
-
Peter Ujfalusi