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authorMatthew Ranostay <mranostay@embeddedalley.com>2008-10-25 01:05:29 -0400
committerTakashi Iwai <tiwai@suse.de>2008-10-27 08:15:14 +0100
commit282cd76ffca781013151344c4b0f9229e9ea3c35 (patch)
treed6a201558af22f21aeff7e3340095410fa5984d9 /sound/core
parenta53ccab3ccac9e8676a683df9822a2daec83ef54 (diff)
downloadlinux-282cd76ffca781013151344c4b0f9229e9ea3c35.tar.gz
ALSA: hda: dynamic jack id
This patch duplicates the jack->id pointer with kstrdup() to prevent
scoping issues from calling autoprobing functions from the HDA section.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/jack.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/core/jack.c b/sound/core/jack.c
index c4bb9bad3133..438445f77d6d 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -34,6 +34,7 @@ static int snd_jack_dev_free(struct snd_device *device)
 	else
 		input_free_device(jack->input_dev);
 
+	kfree(jack->id);
 	kfree(jack);
 
 	return 0;
@@ -87,7 +88,7 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
 	if (jack == NULL)
 		return -ENOMEM;
 
-	jack->id = id;
+	jack->id = kstrdup(id, GFP_KERNEL);
 
 	jack->input_dev = input_allocate_device();
 	if (jack->input_dev == NULL) {