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Date: Wed, 25 Apr 2012 11:47:02 +0300
From: Dan Carpenter <dan.carpenter@oracle.com>
To: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        Mark Brown <broonie@opensource.wolfsonmicro.com>,
        Donggeun Kim <dg77.kim@samsung.com>, linux-kernel@vger.kernel.org,
        kernel-janitors@vger.kernel.org
Subject: [patch] Extcon: check for allocation failure
Message-ID: <20120425084702.GB12799@elgon.mountain>
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Return -ENOMEM if the kmalloc() fails.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/extcon/extcon_class.c b/drivers/extcon/extcon_class.c
index 3bc4b8a..fe5a038 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;