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a8113da51c
Smatch reports the following error: uninitialized symbol 'rlen' drivers/usb/misc/uss720.c:514 parport_uss720_epp_write_data() error drivers/usb/misc/uss720.c:575 parport_uss720_ecp_write_data() error drivers/usb/misc/uss720.c:593 parport_uss720_ecp_read_data() error drivers/usb/misc/uss720.c:626 parport_uss720_write_compat() error The root cause is, the failure of usb_bulk_msg leads to the uninitialized variable rlen in printk function. Fix this by initializing rlen with zero. Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com> Link: https://lore.kernel.org/r/20220903100004.2874741-1-dzm91@hust.edu.cn Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.