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commitb81126e01aupstream. The return code of cpacf_kmc() is less than the number of bytes to process in case of an error, not greater. The crypt routines for the other cipher modes already have this correctly. Cc: stable@vger.kernel.org # v4.11+ Fixes:2793784307("s390/crypt: Add protected key AES module") Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com> Acked-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.