[patch] Extcon: check for allocation failure

[Dan Carpenter]

Return -ENOMEM if the kmalloc() fails.

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

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;
--
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