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[ Upstream commitd21ce8c2f7] The function ia_css_mipi_is_source_port_valid() returns true if the port is valid. So, we can't use the existing err variable as is. To fix this issue while reusing that variable, invert the return value when assigning it to the variable. Fixes:3c0538fbad("media: atomisp: get rid of most checks for ISP2401 version") Signed-off-by: Tsuchiya Yuto <kitakar@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@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.