| Message ID | 20170523184141.24284-2-krzk@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index cdea07af308a..66122627b3ed 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -503,6 +503,8 @@ static 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; }
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> --- drivers/pinctrl/samsung/pinctrl-exynos.c | 2 ++ 1 file changed, 2 insertions(+)