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[ Upstream commit20c3dffdcc] Several calls to ci_dpm_fini() will attempt to free resources that either have been freed before or haven't been allocated yet. This may lead to undefined or dangerous behaviour. For instance, if r600_parse_extended_power_table() fails, it might call r600_free_extended_power_table() as will ci_dpm_fini() later during error handling. Fix this by only freeing pointers to objects previously allocated. Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE. Fixes:cc8dbbb4f6("drm/radeon: add dpm support for CI dGPUs (v2)") Co-developed-by: Natalia Petrova <n.petrova@fintech.ru> Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.