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media: dvb-usb: fix uninit-value in dvb_usb_adapter_dvb_init
[ Upstream commit c545376 ] If dibusb_read_eeprom_byte fails, the mac address is not initialized. And nova_t_read_mac_address does not handle this failure, which leads to the uninit-value in dvb_usb_adapter_dvb_init. Fix this by handling the failure of dibusb_read_eeprom_byte. Reported-by: syzbot+e27b4fd589762b0b9329@syzkaller.appspotmail.com Fixes: 786baec ("[media] dvb-usb: move it to drivers/media/usb/dvb-usb") Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com> Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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