The call to of_find_node_by_name returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage.
Detected by coccinelle with the following warnings: ./drivers/pci/hotplug/rpadlpar_core.c:55:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 42, but without a corresponding object release within this function Signed-off-by: Wen Yang <[email protected]> Cc: Tyrel Datwyler <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] --- drivers/pci/hotplug/rpadlpar_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index e2356a9..f3f42ff 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -52,6 +52,7 @@ static struct device_node *find_vio_slot_node(char *drc_name) break; } + of_node_put(parent); return dn; } -- 2.9.5

