[alsa-devel] [PATCH 2/3] ALSA: hda: Use struct_size()

For code simplification and safety, use struct_size() macro for calculating the hda_conn_list object size with the variable array.

Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/hda_codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b20eb7fc83eb..d0f1dbcfbda4 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -122,7 +122,7 @@ static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, { struct hda_conn_list *p;

- p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL); + p = kmalloc(struct_size(p, conns, len), GFP_KERNEL); if (!p) return -ENOMEM; p->len = len;