isi->isi_version = iosapic_rd_version(isi);
isi->isi_num_vectors = IOSAPIC_IRDT_MAX_ENTRY(isi->isi_version) + 1;
- vip = isi->isi_vector = (struct vector_info *)
- kzalloc(sizeof(struct vector_info) * isi->isi_num_vectors, GFP_KERNEL);
+ vip = isi->isi_vector = kcalloc(isi->isi_num_vectors,
+ sizeof(struct vector_info), GFP_KERNEL);
if (vip == NULL) {
kfree(isi);
return NULL;