[patch 2/4] genirq: use kzalloc instead of explicit zero initialization

From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>,
	Arjan van de Veen <arjan@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Jon Masters <jonathan@jonmasters.org>
Subject: [patch 2/4] genirq: use kzalloc instead of explicit zero initialization
Date: Thu, 26 Feb 2009 13:28:14 -0000	[thread overview]
Message-ID: <20090226131719.502810659@linutronix.de> (raw)
In-Reply-To: 20090226131336.423054348@linutronix.de

[-- Attachment #1: genirq-kzalloc-irq-action.patch --]
[-- Type: text/plain, Size: 863 bytes --]

Impact: simplification

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Peter Zijlstra <peterz@infradead.org>
---
 kernel/irq/manage.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Index: linux-2.6-tip/kernel/irq/manage.c
===================================================================

--- linux-2.6-tip.orig/kernel/irq/manage.c
+++ linux-2.6-tip/kernel/irq/manage.c
@@ -714,15 +714,13 @@ int request_irq(unsigned int irq, irq_ha
 	if (!handler)
 		return -EINVAL;
 
-	action = kmalloc(sizeof(struct irqaction), GFP_KERNEL);
+	action = kzalloc(sizeof(struct irqaction), GFP_KERNEL);
 	if (!action)
 		return -ENOMEM;
 
 	action->handler = handler;
 	action->flags = irqflags;
-	cpus_clear(action->mask);
 	action->name = devname;
-	action->next = NULL;
 	action->dev_id = dev_id;
 
 	retval = __setup_irq(irq, desc, action);


