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2079d02938
Since commitc35e84b097("clk: Introduce clk_hw_init_rate_request()"), users that used to initialize their clk_rate_request by initializing their local structure now rely on clk_hw_init_rate_request(). This function is backed by clk_core_init_rate_req(), which will skip the initialization if either the pointer to struct clk_core or to struct clk_rate_request are NULL. However, the core->parent pointer might be NULL because the clock is orphan, and we will thus end up with our local struct clk_rate_request left untouched. And since clk_hw_init_rate_request() doesn't return an error, we will then call a determine_rate variant with that unitialized structure. In order to avoid this, let's clear our clk_rate_request if the pointer to it is valid but the pointer to struct clk_core isn't. Fixes:c35e84b097("clk: Introduce clk_hw_init_rate_request()") Signed-off-by: Maxime Ripard <maxime@cerno.tech> Link: https://lore.kernel.org/r/20221018-clk-range-checks-fixes-v1-2-f3ef80518140@cerno.tech Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Stephen Boyd <sboyd@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.