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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2017-05-23 20:41:40 +0200 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2017-06-07 20:40:48 +0200 |
| commit | a1ea9a400f5c76cdbe31a8f5c3154f464d84b803 (patch) | |
| tree | 9a819ac5127a9c8499e1d9086fb1e615ac99595c /drivers/pinctrl/samsung | |
| parent | pinctrl: samsung: Constify wakeup driver specific data (diff) | |
| download | linux-a1ea9a400f5c76cdbe31a8f5c3154f464d84b803.tar.xz linux-a1ea9a400f5c76cdbe31a8f5c3154f464d84b803.zip | |
pinctrl: samsung: Handle memory allocation failure during wakeup banks init
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>
Diffstat (limited to 'drivers/pinctrl/samsung')
| -rw-r--r-- | drivers/pinctrl/samsung/pinctrl-exynos.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 727462cc670c..96068b40d32a 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -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; } |