staging: unisys: kmalloc/memset to kzalloc conversation

This patch solves the Coccinelle warning: "kzalloc should be used
instead of kmalloc/memset"

This patch is a fixup for

	linux-next: 97a84f1203786985856a0d4b49b1d7cc387238ce
	"Staging: unisys: Replace kmalloc/memset with kzalloc"

The ALLOC_CMDRSP #define is after transformation to kzalloc only a
rename for kzalloc and was completly removed.

Signed-off-by: Silvio F <silvio.fricke@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/unisys/visorutil/memregion_direct.c b/drivers/staging/unisys/visorutil/memregion_direct.c
index 82c651d..b9b61e8 100644
--- a/drivers/staging/unisys/visorutil/memregion_direct.c
+++ b/drivers/staging/unisys/visorutil/memregion_direct.c
@@ -41,13 +41,12 @@
 visor_memregion_create(HOSTADDRESS physaddr, ulong nbytes)
 {
 	MEMREGION *rc = NULL;
-	MEMREGION *memregion = kmalloc(sizeof(MEMREGION),
-				       GFP_KERNEL|__GFP_NORETRY);
+	MEMREGION *memregion = kzalloc(sizeof(MEMREGION),
+				       GFP_KERNEL | __GFP_NORETRY);
 	if (memregion == NULL) {
 		ERRDRV("visor_memregion_create allocation failed");
 		return NULL;
 	}
-	memset(memregion, 0, sizeof(MEMREGION));
 	memregion->physaddr = physaddr;
 	memregion->nbytes = nbytes;
 	memregion->overlapped = FALSE;