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ALSA: pcsp: Fix the order of input device unregistration
author
Takashi Iwai
<tiwai@suse.de>
Thu, 14 Nov 2013 14:45:12 +0000
(15:45 +0100)
committer
Takashi Iwai
<tiwai@suse.de>
Thu, 14 Nov 2013 14:50:10 +0000
(15:50 +0100)
The current code may access to the already freed object. The input
device must be accessed and unregistered before freeing the top level
sound object.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/drivers/pcsp/pcsp.c
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diff --git
a/sound/drivers/pcsp/pcsp.c
b/sound/drivers/pcsp/pcsp.c
index f664bae3b9b057f1a0b04776c1d4329a6650ed4c..328bd29264ce555e048da881af2dcc7e60e289d6 100644
(file)
--- a/
sound/drivers/pcsp/pcsp.c
+++ b/
sound/drivers/pcsp/pcsp.c
@@
-188,8
+188,8
@@
static int pcsp_probe(struct platform_device *dev)
static int pcsp_remove(struct platform_device *dev)
{
struct snd_pcsp *chip = platform_get_drvdata(dev);
- alsa_card_pcsp_exit(chip);
pcspkr_input_remove(chip->input_dev);
+ alsa_card_pcsp_exit(chip);
return 0;
}