[PATCH 1/2] gpio: brcmstb: Handle return value of devm_kasprintf

From: Arvind Yadav
Date: Wed Sep 20 2017 - 03:14:31 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-brcmstb.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index dd0308c..1227d6e 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -485,6 +485,9 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
gc->of_node = np;
gc->owner = THIS_MODULE;
gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", dev->of_node);
+ if (!gc->label)
+ goto fail;
+
gc->base = gpio_base;
gc->of_gpio_n_cells = 2;
gc->of_xlate = brcmstb_gpio_of_xlate;
--
1.9.1