diff options
| -rw-r--r-- | sys/net/if_tun.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sys/net/if_tun.c b/sys/net/if_tun.c index f5e7cdff9ff..525168008dc 100644 --- a/sys/net/if_tun.c +++ b/sys/net/if_tun.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tun.c,v 1.20 1997/08/31 20:42:32 deraadt Exp $ */ +/* $OpenBSD: if_tun.c,v 1.21 1997/12/31 01:22:55 deraadt Exp $ */ /* $NetBSD: if_tun.c,v 1.24 1996/05/07 02:40:48 thorpej Exp $ */ /* @@ -492,9 +492,11 @@ tunread(dev, uio, ioflag) s = splimp(); do { while ((tp->tun_flags & TUN_READY) != TUN_READY) - if (tsleep((caddr_t)tp, (PZERO+1)|PCATCH, "tunread", 0) != 0) + if (tsleep((caddr_t)tp, (PZERO+1)|PCATCH, + "tunread", 0) != 0) { + splx(s); return(EINTR); - + } IF_DEQUEUE(&ifp->if_snd, m0); if (m0 == 0) { if (tp->tun_flags & TUN_NBIO && ioflag & IO_NDELAY) { @@ -502,8 +504,11 @@ tunread(dev, uio, ioflag) return EWOULDBLOCK; } tp->tun_flags |= TUN_RWAIT; - if (tsleep((caddr_t)tp, (PZERO + 1)|PCATCH, "tunread", 0) != 0) + if (tsleep((caddr_t)tp, (PZERO + 1)|PCATCH, + "tunread", 0) != 0) { + splx(s); return EINTR; + } } } while (m0 == 0); splx(s); |