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authorTakashi Iwai <tiwai@suse.de>2012-10-10 08:59:14 +0200
committerTakashi Iwai <tiwai@suse.de>2012-10-10 09:24:08 +0200
commit12f1771709ea53f11cf633c065d6160769795f24 (patch)
treeec0ab0dcbdf3fd747b886614cf285b9262656edb /sound
parentALSA: hda/cirrus - Add missing init/free of hda_gen_spec (diff)
downloadlinux-12f1771709ea53f11cf633c065d6160769795f24.tar.xz
linux-12f1771709ea53f11cf633c065d6160769795f24.zip
ALSA: hda - Warn an allocation for an uninitialized array
Better to add a sanity check as I tend to forget something (especially during crazy midsummer nights). Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_codec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c0ab72cbeed1..70d4848b5cd0 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -5168,6 +5168,8 @@ EXPORT_SYMBOL_HDA(snd_hda_resume);
*/
void *snd_array_new(struct snd_array *array)
{
+ if (snd_BUG_ON(!array->elem_size))
+ return NULL;
if (array->used >= array->alloced) {
int num = array->alloced + array->alloc_align;
int size = (num + 1) * array->elem_size;