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3b9d902153
The fact that an error in the skcipher walker API are indicated not only by a non-zero return value, but also by the fact that walk->nbytes is zero, causes the layout of the skcipher walker loop to be sufficiently different from the usual layout, which is not a problem in itself, but it is likely to cause reading confusion and difficulty in code maintenance. This patch rewrites skcipher walker loop, and separates the last chunk cryption from the loop to avoid wrong calls to the skcipher walker API. In addition to following the usual convention of checking walk->nbytes, it also makes the loop execute logic clearer and easier to understand. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.