lltable_drain() has never been used so far, thus #if 0 it for now.

While touching it add the missing locking to the now disabled code
for the time when we'll resurrect it.

MFC after:	3 days

2 files changed, 6 insertions, 0 deletions

diff --git a/sys/net/if_llatbl.c b/sys/net/if_llatbl.c
index d516dbc..a0fb071 100644
--- a/sys/net/if_llatbl.c
+++ b/sys/net/if_llatbl.c
@@ -183,6 +183,7 @@ lltable_free(struct lltable *llt)
 	free(llt, M_LLTABLE);
 }
 
+#if 0
 void
 lltable_drain(int af)
 {
@@ -197,15 +198,18 @@ lltable_drain(int af)
 
 		for (i=0; i < LLTBL_HASHTBL_SIZE; i++) {
 			LIST_FOREACH(lle, &llt->lle_head[i], lle_next) {
+				LLE_WLOCK(lle);
 				if (lle->la_hold) {
 					m_freem(lle->la_hold);
 					lle->la_hold = NULL;
 				}
+				LLE_WUNLOCK(lle);
 			}
 		}
 	}
 	LLTABLE_RUNLOCK();
 }
+#endif
 
 void
 lltable_prefix_free(int af, struct sockaddr *prefix, struct sockaddr *mask)
diff --git a/sys/net/if_llatbl.h b/sys/net/if_llatbl.h
index debb416..a4d02ab 100644
--- a/sys/net/if_llatbl.h
+++ b/sys/net/if_llatbl.h
@@ -186,7 +186,9 @@ struct lltable *lltable_init(struct ifnet *, int);
 void		lltable_free(struct lltable *);
 void		lltable_prefix_free(int, struct sockaddr *, 
                        struct sockaddr *);
+#if 0
 void		lltable_drain(int);
+#endif
 int		lltable_sysctl_dumparp(int, struct sysctl_req *);
 
 void		llentry_free(struct llentry *);