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[ Upstream commitde124b61e1] dss_of_port_get_parent_device() leaks an OF node reference when i >= 2 and struct device_node *np is present. Since of_get_next_parent() obtains a reference of the returned OF node, call of_node_put() before returning NULL. This was found by an experimental verifier that I am developing, and no runtime test was able to be performed due to that lack of actual devices. Fixes:f76ee892a9("omapfb: copy omapdss & displays for omapfb") Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sasha Levin <sashal@kernel.org>