From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 18 Jul 2013 10:24:10 +0000 (+0200)
Subject: of/irq: init struct resource to 0 in of_irq_to_resource()
X-Git-Tag: firefly_0821_release~3680^2~19^2~7^2~10
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43db234c6715767018fe007f5bb38a25044a5c24;p=firefly-linux-kernel-4.4.55.git

of/irq: init struct resource to 0 in of_irq_to_resource()

It almost does not matter because most users use only the ->start member
of the struct. However if this struct is passed to a platform device
which is then added via platform_device_add() then the ->parent member is
also used.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
(cherry picked from commit cf9e2368655d86cd800e4d9fe65a407b39d29373)
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/of/irq.c b/drivers/of/irq.c
index 5c645c7227b8..1264923ade0f 100644
--- a/drivers/of/irq.c
+++ b/drivers/of/irq.c
@@ -345,6 +345,7 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
 	if (r && irq) {
 		const char *name = NULL;
 
+		memset(r, 0, sizeof(*r));
 		/*
 		 * Get optional "interrupts-names" property to add a name
 		 * to the resource.