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>
mariux64 · Sep 21, 2017 · a5ae5f5 · a5ae5f5
1 parent ba3e217
commit a5ae5f5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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;