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c969b3e7fc
Instead of looking up the algorithm by name in hash_algo_name[] to get its hash_algo ID, just store the hash_algo ID in the fsverity_hash_alg struct. Verify at boot time that every fsverity_hash_alg has a valid hash_algo ID with matching digest size. Remove an unnecessary memset() of the whole digest array to 0 before the digest is copied into it. Finally, remove the pr_debug statement. There is already a pr_debug for the fsverity digest when the file is opened. Signed-off-by: Eric Biggers <ebiggers@google.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Link: https://lore.kernel.org/r/20221129045139.69803-1-ebiggers@kernel.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.