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ALSA: hda - Warn an allocation for an uninitialized array

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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>
This commit is contained in:
Takashi Iwai
2012-10-10 08:59:14 +02:00
parent b2cbf3b30e
commit 12f1771709
1 changed files with 2 additions and 0 deletions
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2
sound/pci/hda/hda_codec.c
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@@ -5168,6 +5168,8 @@ EXPORT_SYMBOL_HDA(snd_hda_resume);
*/ */
void *snd_array_new(struct snd_array *array) void *snd_array_new(struct snd_array *array)
{ {
if (snd_BUG_ON(!array->elem_size))
return NULL;
if (array->used >= array->alloced) { if (array->used >= array->alloced) {
int num = array->alloced + array->alloc_align; int num = array->alloced + array->alloc_align;
int size = (num + 1) * array->elem_size; int size = (num + 1) * array->elem_size;