drivers/parisc/iosapic.c: Remove unnecessary kzalloc cast

Convert kzalloc to kcalloc

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@redhat.com>
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index edab294..a3120a0 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -859,8 +859,8 @@
 	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;