[SPARC64]: kzalloc() conversion

this patch converts arch/sparc64 to kzalloc usage.
Crosscompile tested with allyesconfig.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index da8e136..5ddc929 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1167,7 +1167,7 @@
 
 static struct pcidev_cookie *alloc_bridge_cookie(struct pci_pbm_info *pbm)
 {
-	struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL);
+	struct pcidev_cookie *cookie = kzalloc(sizeof(*cookie), GFP_KERNEL);
 
 	if (!cookie) {
 		prom_printf("SABRE: Critical allocation failure.\n");
@@ -1175,7 +1175,6 @@
 	}
 
 	/* All we care about is the PBM. */
-	memset(cookie, 0, sizeof(*cookie));
 	cookie->pbm = pbm;
 
 	return cookie;
@@ -1556,19 +1555,17 @@
 		}
 	}
 
-	p = kmalloc(sizeof(*p), GFP_ATOMIC);
+	p = kzalloc(sizeof(*p), GFP_ATOMIC);
 	if (!p) {
 		prom_printf("SABRE: Error, kmalloc(pci_controller_info) failed.\n");
 		prom_halt();
 	}
-	memset(p, 0, sizeof(*p));
 
-	iommu = kmalloc(sizeof(*iommu), GFP_ATOMIC);
+	iommu = kzalloc(sizeof(*iommu), GFP_ATOMIC);
 	if (!iommu) {
 		prom_printf("SABRE: Error, kmalloc(pci_iommu) failed.\n");
 		prom_halt();
 	}
-	memset(iommu, 0, sizeof(*iommu));
 	p->pbm_A.iommu = p->pbm_B.iommu = iommu;
 
 	upa_portid = prom_getintdefault(pnode, "upa-portid", 0xff);