diff options
Diffstat (limited to 'sys/netinet/if_ether.c')
| -rw-r--r-- | sys/netinet/if_ether.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 97152a7..25fba9f 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -180,6 +180,8 @@ arptimer(void *arg) else { if (!callout_pending(&lle->la_timer) && callout_active(&lle->la_timer)) { + callout_stop(&lle->la_timer); + LLE_REMREF(lle); (void) llentry_free(lle); ARPSTAT_INC(timeouts); } @@ -382,9 +384,14 @@ retry: EHOSTUNREACH : EHOSTDOWN; if (renew) { + int canceled; + LLE_ADDREF(la); la->la_expire = time_second + V_arpt_down; - callout_reset(&la->la_timer, hz * V_arpt_down, arptimer, la); + canceled = callout_reset(&la->la_timer, hz * V_arpt_down, + arptimer, la); + if (canceled) + LLE_REMREF(la); la->la_asked++; LLE_WUNLOCK(la); arprequest(ifp, NULL, &SIN(dst)->sin_addr, @@ -696,9 +703,14 @@ match: EVENTHANDLER_INVOKE(arp_update_event, la); if (!(la->la_flags & LLE_STATIC)) { + int canceled; + + LLE_ADDREF(la); la->la_expire = time_second + V_arpt_keep; - callout_reset(&la->la_timer, hz * V_arpt_keep, - arptimer, la); + canceled = callout_reset(&la->la_timer, + hz * V_arpt_keep, arptimer, la); + if (canceled) + LLE_REMREF(la); } la->la_asked = 0; la->la_preempt = V_arp_maxtries; |
