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| author | Yang Yingliang <yangyingliang@huawei.com> | 2021-10-11 21:49:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-13 13:59:53 +0200 |
| commit | 9eff2b2e59fda25051ab36cd1cb5014661df657b (patch) | |
| tree | 26708aef2cdc8f87ec9cc8d3845933ff9c368d7e /drivers/usb/host/ohci-tmio.c | |
| parent | 6fec018a7e70d611412dd961e596b0415c6d365c (diff) | |
| download | linux-9eff2b2e59fda25051ab36cd1cb5014661df657b.tar.gz linux-9eff2b2e59fda25051ab36cd1cb5014661df657b.tar.bz2 linux-9eff2b2e59fda25051ab36cd1cb5014661df657b.zip | |
usb: host: ohci-tmio: check return value after calling platform_get_resource()
It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20211011134920.118477-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ohci-tmio.c')
| -rw-r--r-- | drivers/usb/host/ohci-tmio.c | 2 |
1 files changed, 1 insertions, 1 deletions
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) |