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74f2664550
usb_control_msg_recv() is a new wrapper function for usb_control_msg() that has error checks for short reads. This function also accepts data buffer on stack. Hence use this function to simplify error handling for short reads. Short reads will now get reported as -EREMOTEIO with no indication of how short the transfer was. Signed-off-by: Himadri Pandya <himadrispandya@gmail.com> Link: https://lore.kernel.org/r/20211001065720.21330-2-himadrispandya@gmail.com [ johan: fix quirk-detection breakage, style changes ] Signed-off-by: Johan Hovold <johan@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.