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usb: host: ohci-tmio: check return value after calling platform_get_resource()

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[ 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>
This commit is contained in:
Yang Yingliang 2021-10-11 21:49:20 +08:00 • committed by Greg Kroah-Hartman
commit f98986b7ac
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/host/ohci-tmio.c
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@ -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)