From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 13 Apr 2017 15:12:20 +0200
Add a check for a null pointer and return an error code
after a memory allocation failure was detected.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/pinctrl/freescale/pinctrl-imx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 975ed40cb774..f835e8210ace 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -585,6 +585,8 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
func->num_group_names,
sizeof(*func->group_names),
GFP_KERNEL);
+ if (!func->group_names)
+ return -ENOMEM;
for_each_child_of_node(np, child) {
func->group_names[i] = child->name;
--
2.12.2
--
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