Commit b910d9ae authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add max allocation check in array allocator 



Added a check for max allocation size in snd_array_new() for a
debugging purpose.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent c217429b

sound/pci/hda/hda_codec.c

+4 −1
Original line number Diff line number Diff line
@@ -3399,7 +3399,10 @@ void *snd_array_new(struct snd_array *array) 
{

	if (array->used >= array->alloced) {

		int num = array->alloced + array->alloc_align;

		void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);

		void *nlist;

		if (snd_BUG_ON(num >= 4096))

			return NULL;

		nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);

		if (!nlist)

			return NULL;

		if (array->list) {