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When -Wstringop-truncation is enabled, the compiler complains about truncation of the null byte at the end of the xattr name prefix. This is intentional, since we're concatenating the two strings together and do _not_ want a null byte in the middle of the name. We've already ensured that the name buffer is long enough to handle prefix and name, and the prefix_len is supposed to be the length of the prefix string without the null byte, so use memcpy here instead. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Dave Chinner <dchinner@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.