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[ Upstream commitc5453769f7] 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:786baecfe7("[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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.