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DEVICE_ATTR() should only be used when files have unusual permissions. Change DEVICE_ATTR() with '0220' write-only permissions to DEVICE_ATTR_WO(), e.g., - static DEVICE_ATTR(_name, (S_IWUSR | S_IWGRP), NULL, _store); + static DEVICE_ATTR_WO(_name); Since _store is no longer passed, make the _name passed by DEVICE_ATTR_WO() and the related _name##_store() name match with each other, e.g., DEVICE_ATTR_WO(bus_rescan) must be able to call bus_rescan_store() Link: https://lore.kernel.org/r/20190815153352.86143-4-skunberg.kelsey@gmail.com Signed-off-by: Kelsey Skunberg <skunberg.kelsey@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Donald Dutile <ddutile@redhat.com>
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.