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[ Upstream commitbde82ee391] If KMEM_CACHE or maple_alloc_dev failed, the maple_bus_init() will return 0 rather than error, because the retval is not changed after KMEM_CACHE or maple_alloc_dev failed. Fixes:17be2d2b1c("sh: Add maple bus support for the SEGA Dreamcast.") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Lu Wei <luwei32@huawei.com> Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Signed-off-by: Rich Felker <dalias@libc.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.