[PATCH 28/32] netfilter: return booleans instead of integers

[Pablo Neira Ayuso]

From: "Gustavo A. R. Silva" <garsi...@embeddedor.com>

Return statements in functions returning bool should use
true/false instead of 1/0.

These issues were detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 net/netfilter/nf_conncount.c | 2 +-
 net/netfilter/xt_hashlimit.c | 2 +-
 net/netfilter/xt_ipcomp.c    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/nf_conncount.c b/net/netfilter/nf_conncount.c
index a95518261168..6d65389e308f 100644
--- a/net/netfilter/nf_conncount.c
+++ b/net/netfilter/nf_conncount.c
@@ -71,7 +71,7 @@ static inline bool already_closed(const struct nf_conn *conn)
                return conn->proto.tcp.state == TCP_CONNTRACK_TIME_WAIT ||
                       conn->proto.tcp.state == TCP_CONNTRACK_CLOSE;
        else
-               return 0;
+               return false;
 }
 
 static int key_diff(const u32 *a, const u32 *b, unsigned int klen)
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 5da8746f7b88..ec51d9a9512d 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -353,7 +353,7 @@ static int htable_create(struct net *net, struct 
hashlimit_cfg3 *cfg,
 static bool select_all(const struct xt_hashlimit_htable *ht,
                       const struct dsthash_ent *he)
 {
-       return 1;
+       return true;
 }
 
 static bool select_gc(const struct xt_hashlimit_htable *ht,
diff --git a/net/netfilter/xt_ipcomp.c b/net/netfilter/xt_ipcomp.c
index 000e70377f85..7ca64a50db04 100644
--- a/net/netfilter/xt_ipcomp.c
+++ b/net/netfilter/xt_ipcomp.c
@@ -58,7 +58,7 @@ static bool comp_mt(const struct sk_buff *skb, struct 
xt_action_param *par)
                 */
                pr_debug("Dropping evil IPComp tinygram.\n");
                par->hotdrop = true;
-               return 0;
+               return false;
        }
 
        return spi_match(compinfo->spis[0], compinfo->spis[1],
-- 
2.11.0