linux-kernel - [PATCH] Blackfin: Fix memset in smp_send

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Date:	Sat, 21 Nov 2009 19:35:58 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Mike Frysinger <vapier@...too.org>,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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@...il.com>
---
 arch/blackfin/mach-common/smp.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

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 @@ void smp_send_reschedule(int cpu)
 	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 @@ void smp_send_stop(void)
 	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;
 
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