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1699f980d8
WB-related sysfs entries can be accessed even when an UFS device does not support the feature. The descriptors which are not supported by the UFS device may be wrongly reported when they are accessed from their corrsponding sysfs entries. Fix it by adding a sanity check of parameter offset against the actual decriptor length. Link: https://lore.kernel.org/r/1603346348-14149-1-git-send-email-cang@codeaurora.org Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> Acked-by: Daejun Park <daejun7.park@samsung.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.