Blackfin: fix memset in smp_send_reschedule() and -stop()

To set zeroes the sizeof the struct should be used rather
than sizeof the pointer, kzalloc does that.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index d98585f..d92b168 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -276,10 +276,9 @@
 	if (cpu_is_offline(cpu))
 		return;
 
-	msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+	msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
 	if (!msg)
 		return;
-	memset(msg, 0, sizeof(msg));
 	INIT_LIST_HEAD(&msg->list);
 	msg->type = BFIN_IPI_RESCHEDULE;
 
@@ -305,10 +304,9 @@
 	if (cpus_empty(callmap))
 		return;
 
-	msg = kmalloc(sizeof(*msg), GFP_ATOMIC);
+	msg = kzalloc(sizeof(*msg), GFP_ATOMIC);
 	if (!msg)
 		return;
-	memset(msg, 0, sizeof(msg));
 	INIT_LIST_HEAD(&msg->list);
 	msg->type = BFIN_IPI_CPU_STOP;