linux-kernel - [PATCH 2/2] leds-lp5523: Fix riskiness of the page fault

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Date:	Wed, 12 Sep 2012 12:16:03 +0000
From:	"Kim, Milo" <Milo.Kim@...com>
To:	Bryan Wu <bryan.wu@...onical.com>
CC:	"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Richard Purdie <rpurdie@...ys.net>
Subject: [PATCH 2/2] leds-lp5523: Fix riskiness of the page fault

 The last attribute should be terminated as NULL because any member of
 attribute structure is accessed while adding the sysfs file.
 If not, invalid address may cause the page fault problem.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@...com>
---
 drivers/leds/leds-lp5523.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 5ebdc92..97994ff 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -759,6 +759,7 @@ static struct attribute *lp5523_attributes[] = {
 	&dev_attr_engine2_leds.attr,
 	&dev_attr_engine3_load.attr,
 	&dev_attr_engine3_leds.attr,
+	NULL,
 };
 
 static const struct attribute_group lp5523_group = {
-- 
1.7.9.5


Best Regards,
Milo


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