From 12f1771709ea53f11cf633c065d6160769795f24 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 10 Oct 2012 08:59:14 +0200 Subject: [PATCH] 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 --- sound/pci/hda/hda_codec.c | 2 ++ 1 file changed, 2 insertions(+) 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;