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[ Upstream commit6c11dc0604] Commitdf2d8213d9("hisi_sas: use platform_get_irq()") failed to take into account that irq_of_parse_and_map() and platform_get_irq() have a different way of indicating an error: the former returns 0 and the latter returns a negative error code. Fix up the IRQ checks! Link: https://lore.kernel.org/r/810f26d3-908b-1d6b-dc5c-40019726baca@omprussia.ru Fixes:df2d8213d9("hisi_sas: use platform_get_irq()") Acked-by: John Garry <john.garry@huawei.com> Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.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.