diff options
| -rw-r--r-- | net/ipv6/datagram.c | 2 | ||||
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 99a6eb23378b..3b55b4c8e2d1 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -696,7 +696,7 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl, } tc = *(int *)CMSG_DATA(cmsg); - if (tc < 0 || tc > 0xff) + if (tc < -1 || tc > 0xff) goto exit_f; err = 0; diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 43327264e69c..a5eaaf693abf 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -362,7 +362,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, break; case IPV6_TCLASS: - if (val < 0 || val > 0xff) + if (val < -1 || val > 0xff) goto e_inval; np->tclass = val; retv = 0; @@ -947,6 +947,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, case IPV6_TCLASS: val = np->tclass; + if (val < 0) + val = 0; break; case IPV6_RECVTCLASS: |