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| /linux/drivers/media/usb/b2c2/ |
| H A D | flexcop-usb.c | diff 649cd16c438f51d4cd777e71ca1f47f6e0c5e65d Tue Sep 24 11:49:04 CEST 2019 Yang Yingliang <yangyingliang@huawei.com> media: flexcop-usb: fix NULL-ptr deref in flexcop_usb_transfer_init()
If usb_set_interface() failed, iface->cur_altsetting will
not be assigned and it will be used in flexcop_usb_transfer_init()
It may lead a NULL pointer dereference.
Check usb_set_interface() return value in flexcop_usb_init()
and return failed to avoid using this NULL pointer.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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