75 static struct label *
78 	struct label *label;  in mac_pipe_label_alloc()  local
80 	label = mac_labelzone_alloc(MAC_WAITOK);  in mac_pipe_label_alloc()
81 	if (label == NULL) {  in mac_pipe_label_alloc()
84 	MAC_PERFORM(pipe_label_init, label);  in mac_pipe_label_alloc()
85 	return label;  in mac_pipe_label_alloc()
88 struct label *
95 mac_pipe_set_label(struct pipe *cpipe, struct label *label)  in mac_pipe_set_label()  argument
97 	cpipe->pipe_label = label;  in mac_pipe_set_label()
107 mac_pipe_label_free(struct label *label)  in mac_pipe_label_free()  argument
109 	MAC_PERFORM(pipe_label_destroy, label);  in mac_pipe_label_free()
110 	mac_labelzone_free(label);  in mac_pipe_label_free()
116 	struct label *label = mac_pipe_label(cpipe);  in mac_pipe_label_destroy()  local
118 	mac_pipe_label_free(label);  in mac_pipe_label_destroy()