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commitd578b46db6upstream. Don't recheck it since xattr_permission() already checks CAP_SYS_ADMIN capability. Just follow5d3ce4f701("f2fs: avoid duplicated permission check for "trusted." xattrs") Reported-by: Hongyu Jin <hongyu.jin@unisoc.com> [ Gao Xiang: since it could cause some complex Android overlay permission issue as well on android-5.4+, it'd be better to backport to 5.4+ rather than pure cleanup on mainline. ] Cc: <stable@vger.kernel.org> # 5.4+ Link: https://lore.kernel.org/r/20200811070020.6339-1-hsiangkao@redhat.com Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Gao Xiang <hsiangkao@redhat.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 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.