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authorTakashi Iwai <tiwai@suse.de>2013-11-14 15:45:12 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-14 06:44:31 -0700
commit296d59e61f0da68c408a47d48d61bfcc6dbfe8c4 (patch)
treefe2f6d2b6414695f659a97794e025eca07735dd7 /sound
parenta8d5c053a4082f3681f2e3d509e90ac95a973f9c (diff)
ALSA: pcsp: Fix the order of input device unregistration
commit 6408eac2665955343cd0e4bcd7d6237ce39611ed upstream. 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. Signed-off-by: Takashi Iwai <tiwai@suse.de> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Weng Meiling <wengmeiling.weng@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/drivers/pcsp/pcsp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index 99704e6a2e26..7ab674120070 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -187,8 +187,8 @@ static int __devinit pcsp_probe(struct platform_device *dev)
static int __devexit 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);
platform_set_drvdata(dev, NULL);
return 0;
}