Messages in this thread Patch in this message | | | From | Yang Yingliang <> | Subject | [PATCH v2] usb: host: ohci-tmio: check return value after calling platform_get_resource() | Date | Thu, 16 Sep 2021 11:13:17 +0800 |
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It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/usb/host/ohci-tmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 08ec2ab0d95a..3f3d62dc0674 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -199,7 +199,7 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) if (usb_disabled()) return -ENODEV; - if (!cell) + if (!cell || !regs || !config || !sram) return -EINVAL; if (irq < 0) -- 2.25.1
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