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7a3d76a0b6
Fix the regression introduced by commitd8c6edfa3f("USB: usblp: don't call usb_set_interface if there's a single alt"), which causes that unsupported protocols can also be set via ioctl when the num_altsetting of the device is 1. Move the check for protocol support to the earlier stage. Fixes:d8c6edfa3f("USB: usblp: don't call usb_set_interface if there's a single alt") Cc: stable <stable@kernel.org> Signed-off-by: Jun Yan <jerrysteve1101@gmail.com> Link: https://lore.kernel.org/r/20241212143852.671889-1-jerrysteve1101@gmail.com 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 reStructuredText 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.