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authorTakashi Iwai <tiwai@suse.de>2011-02-02 17:16:38 +0100
committerTakashi Iwai <tiwai@suse.de>2011-02-02 17:16:38 +0100
commit70f7db11c45a313b23922cacf248c613c3b2144c (patch)
treed7d5b6bab9d76f15b7539cb9147d76a338db42ec /sound/pci/hda
parent6abb31908f3ed7d38e93d06b704c9342029ca9a0 (diff)
ALSA: hda - Fix memory leaks in conexant jack arrays
The Conexant codec driver adds the jack arrays in init callback which may be called also in each PM resume. This results in the addition of new jack element at each time. The fix is to check whether the requested jack is already present in the array. Reference: Novell bug 668929 https://bugzilla.novell.com/show_bug.cgi?id=668929 Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
-rw-r--r--sound/pci/hda/patch_conexant.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 7e1ca43bd660..fbe97d32140d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -407,10 +407,16 @@ static int conexant_add_jack(struct hda_codec *codec,
struct conexant_spec *spec;
struct conexant_jack *jack;
const char *name;
- int err;
+ int i, err;
spec = codec->spec;
snd_array_init(&spec->jacks, sizeof(*jack), 32);
+
+ jack = spec->jacks.list;
+ for (i = 0; i < spec->jacks.used; i++, jack++)
+ if (jack->nid == nid)
+ return 0 ; /* already present */
+
jack = snd_array_new(&spec->jacks);
name = (type == SND_JACK_HEADPHONE) ? "Headphone" : "Mic" ;