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97c93e06f5
clang static analyzer reports this problem
i2c-amd-mp2-plat.c:174:9: warning: Branch condition evaluates
to a garbage value
return err ? err : num;
^~~
err is not initialized, it depends on the being set in the
transfer loop which will not happen if num is 0. Surveying
other master_xfer() implementations show all handle a 0 num.
Because returning 0 is expected, initialize err to 0.
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Elie Morisse <syniurge@gmail.com>
Signed-off-by: Wolfram Sang <wsa@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.