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[ Upstream commiteb50844d72] Currently, the following two macros have different values: // The maximal argument count for firmware node reference #define NR_FWNODE_REFERENCE_ARGS 8 // The maximal argument count for DT node reference #define MAX_PHANDLE_ARGS 16 It may cause firmware node reference's argument count out of range if directly assign DT node reference's argument count to firmware's. drivers/of/property.c:of_fwnode_get_reference_args() is doing the direct assignment, so may cause firmware's argument count @args->nargs got out of range, namely, in [9, 16]. Fix by increasing NR_FWNODE_REFERENCE_ARGS to 16 to meet DT requirement. Will align both macros later to avoid such inconsistency. Fixes:3e3119d308("device property: Introduce fwnode_property_get_reference_args") Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Link: https://lore.kernel.org/r/20250225-fix_arg_count-v4-1-13cdc519eb31@quicinc.com Signed-off-by: Rob Herring (Arm) <robh@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 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.