diff options
Diffstat (limited to 'freebsd/sys/net/if_tap.c')
| -rw-r--r-- | freebsd/sys/net/if_tap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/freebsd/sys/net/if_tap.c b/freebsd/sys/net/if_tap.c index ca499606..ce143f9f 100644 --- a/freebsd/sys/net/if_tap.c +++ b/freebsd/sys/net/if_tap.c @@ -1,6 +1,8 @@ #include <machine/rtems-bsd-kernel-space.h> /*- + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD + * * Copyright (C) 1999-2000 by Maksim Yevmenkin <m_evmenkin@yahoo.com> * All rights reserved. * @@ -741,9 +743,10 @@ tapioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td switch (cmd) { case TAPSIFINFO: tapp = (struct tapinfo *)data; + if (ifp->if_type != tapp->type) + return (EPROTOTYPE); mtx_lock(&tp->tap_mtx); ifp->if_mtu = tapp->mtu; - ifp->if_type = tapp->type; ifp->if_baudrate = tapp->baudrate; mtx_unlock(&tp->tap_mtx); break; |