From a1d26ac0ddc4ea561e17a75dd3b5f9d3c1812f16 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 25 Apr 2012 11:47:02 +0300
Subject: [PATCH] Extcon: check for allocation failure

Return -ENOMEM if the kmalloc() fails.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/extcon/extcon_class.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/extcon/extcon_class.c b/drivers/extcon/extcon_class.c
index dbd3bfb..53c64a9 100644
--- a/drivers/extcon/extcon_class.c
+++ b/drivers/extcon/extcon_class.c
@@ -621,6 +621,8 @@ int extcon_dev_register(struct extcon_dev *edev, struct device *dev)
 	}
 
 	edev->dev = kzalloc(sizeof(struct device), GFP_KERNEL);
+	if (!edev->dev)
+		return -ENOMEM;
 	edev->dev->parent = dev;
 	edev->dev->class = extcon_class;
 	edev->dev->release = extcon_dev_release;
-- 
2.7.4