ALSA: Use krealloc() in possible places
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 45b4a8d..4afc6fc 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -4957,17 +4957,14 @@
{
if (array->used >= array->alloced) {
int num = array->alloced + array->alloc_align;
+ int size = (num + 1) * array->elem_size;
void *nlist;
if (snd_BUG_ON(num >= 4096))
return NULL;
- nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL);
+ nlist = krealloc(array->list, size, GFP_KERNEL);
if (!nlist)
return NULL;
- if (array->list) {
- memcpy(nlist, array->list,
- array->elem_size * array->alloced);
- kfree(array->list);
- }
+ memset(nlist, 0, size - array->alloced * array->elem_size);
array->list = nlist;
array->alloced = num;
}