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Peter Harliman Liem 49186a7d9e crypto: inside_secure - Avoid dma map if size is zero From commit `d03c544192` ("dma-mapping: disallow .map_sg operations from returning zero on error"), dma_map_sg() produces warning if size is 0. This results in visible warnings if crypto length is zero. To avoid that, we avoid calling dma_map_sg if size is zero. Signed-off-by: Peter Harliman Liem <pliem@maxlinear.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>		2022-09-24 16:14:42 +08:00
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README

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.