linux-kernel - [PATCH 36] arch/x86_64/kernel/io_apic.c: kmalloc + memset conversion to kzalloc

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Message-Id: <200707312008.08591.m.kozlowski@tuxland.pl>
Date:	Tue, 31 Jul 2007 20:08:08 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, mingo@...hat.com
Subject: [PATCH 36] arch/x86_64/kernel/io_apic.c: kmalloc + memset conversion to kzalloc

Signed-off-by: Mariusz Kozlowski <m.kozlowski@...land.pl>

 arch/x86_64/kernel/io_apic.c | 56080 -> 56038 (-42 bytes)

 arch/x86_64/kernel/io_apic.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- linux-2.6.23-rc1-mm1-a/arch/x86_64/kernel/io_apic.c	2007-07-26 13:07:47.000000000 +0200
+++ linux-2.6.23-rc1-mm1-b/arch/x86_64/kernel/io_apic.c	2007-07-29 23:33:32.000000000 +0200
@@ -1845,7 +1845,7 @@ static struct sysdev_class ioapic_sysdev
 static int __init ioapic_init_sysfs(void)
 {
 	struct sys_device * dev;
-	int i, size, error = 0;
+	int i, size, error;

 	error = sysdev_class_register(&ioapic_sysdev_class);
 	if (error)
@@ -1854,12 +1854,11 @@ static int __init ioapic_init_sysfs(void
 	for (i = 0; i < nr_ioapics; i++ ) {
 		size = sizeof(struct sys_device) + nr_ioapic_registers[i]
 			* sizeof(struct IO_APIC_route_entry);
-		mp_ioapic_data[i] = kmalloc(size, GFP_KERNEL);
+		mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
 		if (!mp_ioapic_data[i]) {
 			printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
 			continue;
 		}
-		memset(mp_ioapic_data[i], 0, size);
 		dev = &mp_ioapic_data[i]->dev;
 		dev->id = i;
 		dev->cls = &ioapic_sysdev_class;
-
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