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>

diff --git a/drivers/extcon/extcon_class.c b/drivers/extcon/extcon_class.c
index dbd3bfb..53c64a9 100644 (file)
--- 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;