[NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_tuple.h

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

3 files changed, 28 insertions, 26 deletions

diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 26e6a6e2b5a2..2dbd6c015b94 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -194,12 +194,11 @@ extern void nf_conntrack_hash_insert(struct nf_conn *ct);
 
 extern void nf_conntrack_flush(void);
 
-extern int nf_ct_get_tuplepr(const struct sk_buff *skb,
-                             unsigned int nhoff,
-                             u_int16_t l3num,
-                             struct nf_conntrack_tuple *tuple);
-extern int nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
-                                const struct nf_conntrack_tuple *orig);
+extern bool nf_ct_get_tuplepr(const struct sk_buff *skb,
+                              unsigned int nhoff, u_int16_t l3num,
+                              struct nf_conntrack_tuple *tuple);
+extern bool nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
+                                 const struct nf_conntrack_tuple *orig);
 
 extern void __nf_ct_refresh_acct(struct nf_conn *ct,
                                  enum ip_conntrack_info ctinfo,
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index 9ee26469c759..a81771210934 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -30,7 +30,7 @@ extern void nf_conntrack_cleanup(void);
 extern int nf_conntrack_proto_init(void);
 extern void nf_conntrack_proto_fini(void);
 
-extern int
+extern bool
 nf_ct_get_tuple(const struct sk_buff *skb,
                 unsigned int nhoff,
                 unsigned int dataoff,
@@ -40,7 +40,7 @@ nf_ct_get_tuple(const struct sk_buff *skb,
                 const struct nf_conntrack_l3proto *l3proto,
                 const struct nf_conntrack_l4proto *l4proto);
 
-extern int
+extern bool
 nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
                    const struct nf_conntrack_tuple *orig,
                    const struct nf_conntrack_l3proto *l3proto,
diff --git a/include/net/netfilter/nf_conntrack_tuple.h b/include/net/netfilter/nf_conntrack_tuple.h
index bdeec3461384..2722b13ecd6c 100644
--- a/include/net/netfilter/nf_conntrack_tuple.h
+++ b/include/net/netfilter/nf_conntrack_tuple.h
@@ -166,61 +166,64 @@ struct nf_conntrack_tuple_hash
 
 #endif /* __KERNEL__ */
 
-static inline int __nf_ct_tuple_src_equal(const struct nf_conntrack_tuple *t1,
-                                          const struct nf_conntrack_tuple *t2)
+static inline bool __nf_ct_tuple_src_equal(const struct nf_conntrack_tuple *t1,
+                                           const struct nf_conntrack_tuple *t2)
 { 
         return (nf_inet_addr_cmp(&t1->src.u3, &t2->src.u3) &&
                 t1->src.u.all == t2->src.u.all &&
                 t1->src.l3num == t2->src.l3num);
 }
 
-static inline int __nf_ct_tuple_dst_equal(const struct nf_conntrack_tuple *t1,
-                                          const struct nf_conntrack_tuple *t2)
+static inline bool __nf_ct_tuple_dst_equal(const struct nf_conntrack_tuple *t1,
+                                           const struct nf_conntrack_tuple *t2)
 {
         return (nf_inet_addr_cmp(&t1->dst.u3, &t2->dst.u3) &&
                 t1->dst.u.all == t2->dst.u.all &&
                 t1->dst.protonum == t2->dst.protonum);
 }
 
-static inline int nf_ct_tuple_equal(const struct nf_conntrack_tuple *t1,
-                                    const struct nf_conntrack_tuple *t2)
+static inline bool nf_ct_tuple_equal(const struct nf_conntrack_tuple *t1,
+                                     const struct nf_conntrack_tuple *t2)
 {
         return __nf_ct_tuple_src_equal(t1, t2) &&
                __nf_ct_tuple_dst_equal(t1, t2);
 }
 
-static inline int nf_ct_tuple_mask_equal(const struct nf_conntrack_tuple_mask *m1,
-                                         const struct nf_conntrack_tuple_mask *m2)
+static inline bool
+nf_ct_tuple_mask_equal(const struct nf_conntrack_tuple_mask *m1,
+                       const struct nf_conntrack_tuple_mask *m2)
 {
         return (nf_inet_addr_cmp(&m1->src.u3, &m2->src.u3) &&
                 m1->src.u.all == m2->src.u.all);
 }
 
-static inline int nf_ct_tuple_src_mask_cmp(const struct nf_conntrack_tuple *t1,
-                                           const struct nf_conntrack_tuple *t2,
-                                           const struct nf_conntrack_tuple_mask *mask)
+static inline bool
+nf_ct_tuple_src_mask_cmp(const struct nf_conntrack_tuple *t1,
+                         const struct nf_conntrack_tuple *t2,
+                         const struct nf_conntrack_tuple_mask *mask)
 {
         int count;
 
         for (count = 0; count < NF_CT_TUPLE_L3SIZE; count++) {
                 if ((t1->src.u3.all[count] ^ t2->src.u3.all[count]) &
                     mask->src.u3.all[count])
-                        return 0;
+                        return false;
         }
 
         if ((t1->src.u.all ^ t2->src.u.all) & mask->src.u.all)
-                return 0;
+                return false;
 
         if (t1->src.l3num != t2->src.l3num ||
             t1->dst.protonum != t2->dst.protonum)
-                return 0;
+                return false;
 
-        return 1;
+        return true;
 }
 
-static inline int nf_ct_tuple_mask_cmp(const struct nf_conntrack_tuple *t,
-                                       const struct nf_conntrack_tuple *tuple,
-                                       const struct nf_conntrack_tuple_mask *mask)
+static inline bool
+nf_ct_tuple_mask_cmp(const struct nf_conntrack_tuple *t,
+                     const struct nf_conntrack_tuple *tuple,
+                     const struct nf_conntrack_tuple_mask *mask)
 {
         return nf_ct_tuple_src_mask_cmp(t, tuple, mask) &&
                __nf_ct_tuple_dst_equal(t, tuple);