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[ Upstream commit13462ba181] Clang static analysis reports this problem dw-i3c-master.c:799:9: warning: The result of the left shift is undefined because the left operand is negative COMMAND_PORT_DEV_INDEX(pos) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ pos can be negative because dw_i3c_master_get_free_pos() can return an error. So check for an error. Fixes:1dd728f5d4("i3c: master: Add driver for Synopsys DesignWare IP") Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20220108150948.3988790-1-trix@redhat.com Signed-off-by: Sasha Levin <sashal@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.