[patch -next] power/gpio-charger: check for kzalloc() failure

[Dan Carpenter]

Return -ENOMEM if kzalloc() fails.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/drivers/power/gpio-charger.c b/drivers/power/gpio-charger.c
index fccbe99..06a74f0 100644
--- a/drivers/power/gpio-charger.c
+++ b/drivers/power/gpio-charger.c
@@ -87,6 +87,8 @@ static int __devinit gpio_charger_probe(struct platform_device *pdev)
 	}
 
 	gpio_charger = kzalloc(sizeof(*gpio_charger), GFP_KERNEL);
+	if (!gpio_charger)
+		return -ENOMEM;
 
 	charger = &gpio_charger->charger;
 
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