[PATCH 2/2] gpio: tb10x: Handle return value of devm_kasprintf

From: Arvind Yadav
Date: Wed Sep 20 2017 - 03:14:19 EST


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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/gpio/gpio-tb10x.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 091ffaa..ac6f2a9 100644
--- 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;
--
1.9.1