For code simplification and safety, use struct_size() macro for
calculating the snd_kcontrol object size with the variable array.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
static int snd_ctl_new(struct snd_kcontrol **kctl, unsigned int count,
unsigned int access, struct snd_ctl_file *file)
{
- unsigned int size;
unsigned int idx;
if (count == 0 || count > MAX_CONTROL_COUNT)
return -EINVAL;
- size = sizeof(struct snd_kcontrol);
- size += sizeof(struct snd_kcontrol_volatile) * count;
-
- *kctl = kzalloc(size, GFP_KERNEL);
+ *kctl = kzalloc(struct_size(*kctl, vd, count), GFP_KERNEL);
if (!*kctl)
return -ENOMEM;