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df54f16f3c
[ Upstream commit2aa717473c] The s3c24xx_init_intc() returns an error pointer upon failure, not NULL. let's add an error pointer check in s3c24xx_handle_irq. s3c_intc[0] is not NULL or ERR, we can simplify the code. Fixes:1f629b7a3c("ARM: S3C24XX: transform irq handling into a declarative form") Signed-off-by: Jackie Liu <liuyun01@kylinos.cn> Link: https://lore.kernel.org/r/20210901123557.1043953-1-liu.yun@linux.dev Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.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.