diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2021-10-11 21:49:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-26 11:58:42 +0100 |
| commit | 28e016e02118917e50a667bc72fb80098cf2b460 (patch) | |
| tree | 2e1226b85c416fb9f314ad4665e144afbaca549a /drivers/usb/host | |
| parent | 0189d3b49b7be287b1373073d4afde788b7d347b (diff) | |
usb: host: ohci-tmio: check return value after calling platform_get_resource()
[ Upstream commit 9eff2b2e59fda25051ab36cd1cb5014661df657b ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/usb/host')
| -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 9c9e97294c18..4d42ae3b2fd6 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) |