diff options
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_gre.c')
| -rw-r--r-- | net/netfilter/nf_conntrack_proto_gre.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c index e10024a1b666..7d37a2ea67b2 100644 --- a/net/netfilter/nf_conntrack_proto_gre.c +++ b/net/netfilter/nf_conntrack_proto_gre.c @@ -148,18 +148,17 @@ EXPORT_SYMBOL_GPL(nf_ct_gre_keymap_destroy); /* PUBLIC CONNTRACK PROTO HELPER FUNCTIONS */ /* invert gre part of tuple */ -static int gre_invert_tuple(struct nf_conntrack_tuple *tuple, - const struct nf_conntrack_tuple *orig) +static bool gre_invert_tuple(struct nf_conntrack_tuple *tuple, + const struct nf_conntrack_tuple *orig) { tuple->dst.u.gre.key = orig->src.u.gre.key; tuple->src.u.gre.key = orig->dst.u.gre.key; - return 1; + return true; } /* gre hdr info to tuple */ -static int gre_pkt_to_tuple(const struct sk_buff *skb, - unsigned int dataoff, - struct nf_conntrack_tuple *tuple) +static bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, + struct nf_conntrack_tuple *tuple) { const struct gre_hdr_pptp *pgrehdr; struct gre_hdr_pptp _pgrehdr; @@ -173,24 +172,24 @@ static int gre_pkt_to_tuple(const struct sk_buff *skb, /* try to behave like "nf_conntrack_proto_generic" */ tuple->src.u.all = 0; tuple->dst.u.all = 0; - return 1; + return true; } /* PPTP header is variable length, only need up to the call_id field */ pgrehdr = skb_header_pointer(skb, dataoff, 8, &_pgrehdr); if (!pgrehdr) - return 1; + return true; if (ntohs(grehdr->protocol) != GRE_PROTOCOL_PPTP) { pr_debug("GRE_VERSION_PPTP but unknown proto\n"); - return 0; + return false; } tuple->dst.u.gre.key = pgrehdr->call_id; srckey = gre_keymap_lookup(tuple); tuple->src.u.gre.key = srckey; - return 1; + return true; } /* print gre part of tuple */ @@ -235,8 +234,8 @@ static int gre_packet(struct nf_conn *ct, } /* Called when a new connection for this protocol found. */ -static int gre_new(struct nf_conn *ct, const struct sk_buff *skb, - unsigned int dataoff) +static bool gre_new(struct nf_conn *ct, const struct sk_buff *skb, + unsigned int dataoff) { pr_debug(": "); NF_CT_DUMP_TUPLE(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple); @@ -246,7 +245,7 @@ static int gre_new(struct nf_conn *ct, const struct sk_buff *skb, ct->proto.gre.stream_timeout = GRE_STREAM_TIMEOUT; ct->proto.gre.timeout = GRE_TIMEOUT; - return 1; + return true; } /* Called when a conntrack entry has already been removed from the hashes |