[PATCH] netfilter: return booleans instead of integers

From: Gustavo A. R. Silva
Date: Thu Jan 18 2018 - 18:25:27 EST


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 <garsilva@xxxxxxxxxxxxxx>
---
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 a955182..6d65389 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 5da8746..ec51d9a 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 000e703..7ca64a5 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],
--
2.7.4