[NETFILTER]: x_tables: switch xt_match->match to bool

Switch the return type of match functions to boolean

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 11 deletions

diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c
index 3172e7308b35..b0eba4e2c53f 100644
--- a/net/netfilter/xt_dccp.c
+++ b/net/netfilter/xt_dccp.c
@@ -31,7 +31,7 @@ MODULE_ALIAS("ipt_dccp");
 static unsigned char *dccp_optbuf;
 static DEFINE_SPINLOCK(dccp_buflock);
 
-static inline int
+static inline bool
 dccp_find_option(u_int8_t option,
 		 const struct sk_buff *skb,
 		 unsigned int protoff,
@@ -46,11 +46,11 @@ dccp_find_option(u_int8_t option,
 
 	if (dh->dccph_doff * 4 < __dccp_hdr_len(dh)) {
 		*hotdrop = true;
-		return 0;
+		return false;
 	}
 
 	if (!optlen)
-		return 0;
+		return false;
 
 	spin_lock_bh(&dccp_buflock);
 	op = skb_header_pointer(skb, protoff + optoff, optlen, dccp_optbuf);
@@ -58,13 +58,13 @@ dccp_find_option(u_int8_t option,
 		/* If we don't have the whole header, drop packet. */
 		spin_unlock_bh(&dccp_buflock);
 		*hotdrop = true;
-		return 0;
+		return false;
 	}
 
 	for (i = 0; i < optlen; ) {
 		if (op[i] == option) {
 			spin_unlock_bh(&dccp_buflock);
-			return 1;
+			return true;
 		}
 
 		if (op[i] < 2)
@@ -74,24 +74,24 @@ dccp_find_option(u_int8_t option,
 	}
 
 	spin_unlock_bh(&dccp_buflock);
-	return 0;
+	return false;
 }
 
 
-static inline int
+static inline bool
 match_types(const struct dccp_hdr *dh, u_int16_t typemask)
 {
 	return (typemask & (1 << dh->dccph_type));
 }
 
-static inline int
+static inline bool
 match_option(u_int8_t option, const struct sk_buff *skb, unsigned int protoff,
 	     const struct dccp_hdr *dh, bool *hotdrop)
 {
 	return dccp_find_option(option, skb, protoff, dh, hotdrop);
 }
 
-static int
+static bool
 match(const struct sk_buff *skb,
       const struct net_device *in,
       const struct net_device *out,
@@ -105,12 +105,12 @@ match(const struct sk_buff *skb,
 	struct dccp_hdr _dh, *dh;
 
 	if (offset)
-		return 0;
+		return false;
 
 	dh = skb_header_pointer(skb, protoff, sizeof(_dh), &_dh);
 	if (dh == NULL) {
 		*hotdrop = true;
-		return 0;
+		return false;
 	}
 
 	return  DCCHECK(((ntohs(dh->dccph_sport) >= info->spts[0])