OpenE2K/linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pinctrl: samsung: Handle memory allocation failure during wakeup banks init

Browse Source 
Check if kmemdup failed during wakeup banks initialization.  Otherwise
NULL pointer would be stored under "irq_chip" member of bank and later
dereferenced in interrupt handler.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2017-05-23 20:41:40 +02:00
parent 71b96c3a8a
commit a1ea9a400f
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pinctrl/samsung/pinctrl-exynos.c
View File

@ -479,6 +479,8 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
if (match) {
irq_chip = kmemdup(match->data,
sizeof(*irq_chip), GFP_KERNEL);
if (!irq_chip)
return -ENOMEM;
wkup_np = np;
break;
}