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path: root/net/ipv6/netfilter/ip6t_mh.c
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Diffstat (limited to 'net/ipv6/netfilter/ip6t_mh.c')
-rw-r--r--net/ipv6/netfilter/ip6t_mh.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/netfilter/ip6t_mh.c b/net/ipv6/netfilter/ip6t_mh.c
index d9408045994..c9f443e0138 100644
--- a/net/ipv6/netfilter/ip6t_mh.c
+++ b/net/ipv6/netfilter/ip6t_mh.c
@@ -67,7 +67,7 @@ static int mh_mt6_check(const struct xt_mtchk_param *par)
const struct ip6t_mh *mhinfo = par->matchinfo;
/* Must specify no unknown invflags */
- return !(mhinfo->invflags & ~IP6T_MH_INV_MASK);
+ return (mhinfo->invflags & ~IP6T_MH_INV_MASK) ? -EINVAL : 0;
}
static struct xt_match mh_mt6_reg __read_mostly = {