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[ Upstream commit 42814c438aac79746d310f413a27d5b0b959c5de ] The for_each_available_child_of_node helper internally makes use of the of_get_next_available_child() which performs an of_node_get() on each iteration when searching for next available child node. Should an available child node be found, then it would return a device node pointer with reference count incremented, thus early return from the middle of the loop requires an explicit of_node_put() to prevent reference count leak. To stop the reference leak, explicitly call of_node_put() before returning after an error occurred. Link: https://lore.kernel.org/r/20210120184810.3068794-1-kw@linux.com Signed-off-by: Krzysztof Wilczyński <kw@linux.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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