gpio: tb10x: Handle return value of devm_kasprintf

devm_kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 091ffaaec635411e6665e78991ed2faef75b3b7c..ac6f2a9841e53d332bec27e8d7bc64c0903288ff 100644 (file)
--- a/drivers/gpio/gpio-tb10x.c
+++ b/drivers/gpio/gpio-tb10x.c
@@ -193,6 +193,9 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
 
        tb10x_gpio->gc.label            =
                devm_kasprintf(&pdev->dev, GFP_KERNEL, "%pOF", pdev->dev.of_node);
+       if (!tb10x_gpio->gc.label)
+               return -ENOMEM;
+
        tb10x_gpio->gc.parent           = &pdev->dev;
        tb10x_gpio->gc.owner            = THIS_MODULE;
        tb10x_gpio->gc.direction_input  = tb10x_gpio_direction_in;