diff options
Diffstat (limited to 'net/ipv6/netfilter/ip6t_mh.c')
| -rw-r--r-- | net/ipv6/netfilter/ip6t_mh.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/net/ipv6/netfilter/ip6t_mh.c b/net/ipv6/netfilter/ip6t_mh.c index c27647b6c274..ddffe03a8b37 100644 --- a/net/ipv6/netfilter/ip6t_mh.c +++ b/net/ipv6/netfilter/ip6t_mh.c @@ -31,16 +31,13 @@ MODULE_LICENSE("GPL"); #endif /* Returns 1 if the type is matched by the range, 0 otherwise */ -static inline int -type_match(u_int8_t min, u_int8_t max, u_int8_t type, int invert) +static inline bool +type_match(u_int8_t min, u_int8_t max, u_int8_t type, bool invert) { - int ret; - - ret = (type >= min && type <= max) ^ invert; - return ret; + return (type >= min && type <= max) ^ invert; } -static int +static bool match(const struct sk_buff *skb, const struct net_device *in, const struct net_device *out, @@ -55,7 +52,7 @@ match(const struct sk_buff *skb, /* Must not be a fragment. */ if (offset) - return 0; + return false; mh = skb_header_pointer(skb, protoff, sizeof(_mh), &_mh); if (mh == NULL) { @@ -63,14 +60,14 @@ match(const struct sk_buff *skb, can't. Hence, no choice but to drop. */ duprintf("Dropping evil MH tinygram.\n"); *hotdrop = true; - return 0; + return false; } if (mh->ip6mh_proto != IPPROTO_NONE) { duprintf("Dropping invalid MH Payload Proto: %u\n", mh->ip6mh_proto); *hotdrop = true; - return 0; + return false; } return type_match(mhinfo->types[0], mhinfo->types[1], mh->ip6mh_type, |