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f0c88a0d83
The 'ret' variable in ipc_pcie_resources_request() either stores '-EBUSY' directly or holds returns from pci_request_regions() and ipc_acquire_irq(). Storing negative error codes in u32 causes no runtime issues but is stylistically inconsistent and very ugly. Change 'ret' from u32 to int type - this has no runtime impact. Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com> Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com> Link: https://patch.msgid.link/20250826135021.510767-1-rongqianfeng@vivo.com Signed-off-by: Jakub Kicinski <kuba@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 reStructuredText 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.