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[ Upstream commit7256d1f461] Commit036177310b("clk: mxl: Switch from direct readl/writel based IO to regmap based IO") introduced code resulting in below warning issued by the smatch static checker. drivers/clk/x86/clk-lgm.c:441 lgm_cgu_probe() warn: passing zero to 'PTR_ERR' Fix the warning by replacing incorrect IS_ERR_OR_NULL() with IS_ERR(). Fixes:036177310b("clk: mxl: Switch from direct readl/writel based IO to regmap based IO") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Rahul Tanwar <rtanwar@maxlinear.com> Link: https://lore.kernel.org/r/49e339d4739e4ae4c92b00c1b2918af0755d4122.1666695221.git.rtanwar@maxlinear.com Signed-off-by: Stephen Boyd <sboyd@kernel.org> 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.