aboutsummaryrefslogtreecommitdiff
path: root/net/netfilter/xt_tcpudp.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/netfilter/xt_tcpudp.c')
-rw-r--r--net/netfilter/xt_tcpudp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/xt_tcpudp.c b/net/netfilter/xt_tcpudp.c
index 00728410099..efa2ede24ae 100644
--- a/net/netfilter/xt_tcpudp.c
+++ b/net/netfilter/xt_tcpudp.c
@@ -125,7 +125,7 @@ static int tcp_mt_check(const struct xt_mtchk_param *par)
const struct xt_tcp *tcpinfo = par->matchinfo;
/* Must specify no unknown invflags */
- return !(tcpinfo->invflags & ~XT_TCP_INV_MASK);
+ return (tcpinfo->invflags & ~XT_TCP_INV_MASK) ? -EINVAL : 0;
}
static bool udp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
@@ -160,7 +160,7 @@ static int udp_mt_check(const struct xt_mtchk_param *par)
const struct xt_udp *udpinfo = par->matchinfo;
/* Must specify no unknown invflags */
- return !(udpinfo->invflags & ~XT_UDP_INV_MASK);
+ return (udpinfo->invflags & ~XT_UDP_INV_MASK) ? -EINVAL : 0;
}
static struct xt_match tcpudp_mt_reg[] __read_mostly = {