| From | Kamal Mostafa <> | Subject | [PATCH 3.8 122/152] ALSA: pcsp: Fix the order of input device unregistration | Date | Fri, 6 Dec 2013 15:10:46 -0800 |
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3.8.13.14 -stable review patch. If anyone has any objections, please let me know.
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From: Takashi Iwai <tiwai@suse.de>
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> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- sound/drivers/pcsp/pcsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c index 7a5fdb9..cc7cd2d 100644 --- a/sound/drivers/pcsp/pcsp.c +++ b/sound/drivers/pcsp/pcsp.c @@ -187,8 +187,8 @@ 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); platform_set_drvdata(dev, NULL); return 0; } -- 1.8.3.2
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