gpio-charger: Check result of kzalloc

Since kzalloc can return NULL we have to check its result.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index fccbe99..8458caf 100644 (file)
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -87,6 +87,10 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
        }
 
        gpio_charger = kzalloc(sizeof(*gpio_charger), GFP_KERNEL);
+       if (!gpio_charger) {
+               dev_err(&pdev->dev, "Failed to alloc driver structure\n");
+               return -ENOMEM;
+       }
 
        charger = &gpio_charger->charger;