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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/extcon/extcon_class.c b/drivers/extcon/extcon_class.c
index dbd3bfba42da..53c64a98b0be 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;