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of: unittest: kmemleak on changeset destroy

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kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 1 of 5.

of_unittest_changeset() reaches deeply into the dynamic devicetree
functions.  Several nodes were left with an elevated reference
count and thus were not properly cleaned up.  Fix the reference
counts so that the memory will be freed.

Fixes: 201c910bd6 ("of: Transactional DT support.")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Frank Rowand 2020-04-16 16:42:46 -05:00 committed by Rob Herring
parent 21a431e627
commit b3fb36ed69
1 changed files with 4 additions and 0 deletions
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4
drivers/of/unittest.c
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@ -861,6 +861,10 @@ static void __init of_unittest_changeset(void)
unittest(!of_changeset_revert(&chgset), "revert failed\n"); unittest(!of_changeset_revert(&chgset), "revert failed\n");
of_changeset_destroy(&chgset); of_changeset_destroy(&chgset);
of_node_put(n1);
of_node_put(n2);
of_node_put(n21);
#endif #endif
} }