diff options
Diffstat (limited to 'sys/net/if_bridge.c')
| -rw-r--r-- | sys/net/if_bridge.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c index c7987c2f4e01..bd0958e0565e 100644 --- a/sys/net/if_bridge.c +++ b/sys/net/if_bridge.c @@ -716,8 +716,13 @@ bridge_ioctl_add(struct bridge_softc *sc, void *arg) if (ifs == NULL) return (ENOENT); - if (sc->sc_ifp->if_mtu != ifs->if_mtu) + /* Allow the first member to define the MTU */ + if (LIST_EMPTY(&sc->sc_iflist)) + sc->sc_ifp->if_mtu = ifs->if_mtu; + else if (sc->sc_ifp->if_mtu != ifs->if_mtu) { + if_printf(sc->sc_ifp, "invalid MTU for %s\n", ifs->if_xname); return (EINVAL); + } if (ifs->if_bridge == sc) return (EEXIST); |