[alsa-devel] [PATCH] ALSA: pcsp: Fix the order of input device unregistration

Takashi Iwai tiwai at suse.de
Thu Nov 14 15:49:59 CET 2013


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 at vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 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 f664bae3b9b0..328bd29264ce 100644
--- 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;
 }
 
-- 
1.8.4.2



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