diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index 38db6fc7bee9a8f7f73d6256132b13038ddf7204..ad46eabe9f5f7dc8cda759408ab04abad08c6cf4 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -202,6 +202,7 @@ static int update_lmb_associativity_index(struct drmem_lmb *lmb)
 
 	aa_index = find_aa_index(dr_node, ala_prop, lmb_assoc);
 
+	of_node_put(dr_node);
 	dlpar_free_cc_nodes(lmb_node);
 
 	if (aa_index < 0) {