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[ Upstream commite28c28a34e] of_parse_phandle() returns a device_node with refcount incremented, which the callee needs to call of_node_put() on when done. We should only call of_node_put() when the property argument is provided though as otherwise nothing has taken a reference on the node. Fixes:f36e789a1f("mfd: altera-sysmgr: Add SOCFPGA System Manager") Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Link: https://lore.kernel.org/r/20240220115012.471689-4-peter.griffin@linaro.org Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>