net/dsa/switch.c:1086: warning: No description found for return value of 'dsa_tree_notify'
net/dsa/switch.c:1108: warning: No description found for return value of 'dsa_broadcast'
net/dsa/switch.c:1087: warning: No description found for return value of 'dsa_tree_notify'
net/dsa/switch.c:1109: warning: No description found for return value of 'dsa_broadcast'