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Tuo Li 1f5433b23e of: unittest: fix possible null-pointer dereferences in of_unittest_property_copy() 
[ Upstream commit d289cb7fce ]

This function first duplicates p1 and p2 into new, and then checks whether
the duplication succeeds. However, if the duplication fails (e.g.,
kzalloc() returns NULL in __of_prop_dup()), new will be NULL but is still
dereferenced in __of_prop_free(). To ensure that the unit test continues to
run even when duplication fails, add a NULL check before calling
__of_prop_free().

Fixes: 1c5e3d9bf3 ("of: Add a helper to free property struct")
Signed-off-by: Tuo Li <islituo@gmail.com>
Link: https://patch.msgid.link/20260105071438.156186-1-islituo@gmail.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-03-04 07:20:08 -05:00
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README

README 

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.