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[ Upstream commite14d314c7a] Dan reported, that cleanup path in test_memcg_subtree_control() triggers a static checker warning: ./tools/testing/selftests/cgroup/test_memcontrol.c:76 \ test_memcg_subtree_control() error: uninitialized symbol 'child2'. Fix this by initializing child2 and parent2 variables and split the cleanup path into few stages. Signed-off-by: Roman Gushchin <guro@fb.com> Fixes:84092dbcf9("selftests: cgroup: add memory controller self-tests") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Shuah Khan (Samsung OSG) <shuah@kernel.org> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Shuah Khan <shuah@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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
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.