Messages in this thread Patch in this message | | | From | Yang Yingliang <> | Subject | [PATCH] thermal: broadcom: check return value after calling platform_get_resource() | Date | Thu, 5 May 2022 20:42:41 +0800 |
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It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
Fixes: 250e211057c7 ("thermal: broadcom: Add Stingray thermal driver") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/thermal/broadcom/sr-thermal.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/thermal/broadcom/sr-thermal.c b/drivers/thermal/broadcom/sr-thermal.c index 475ce2900771..799128deb91c 100644 --- a/drivers/thermal/broadcom/sr-thermal.c +++ b/drivers/thermal/broadcom/sr-thermal.c @@ -60,6 +60,8 @@ static int sr_thermal_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; sr_thermal->regs = (void __iomem *)devm_memremap(&pdev->dev, res->start, resource_size(res), MEMREMAP_WB); -- 2.25.1
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