X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fipt_iprange.c;h=854281c6200880cd41d7e75ad806bc4c54ecf9eb;hb=7c4e36bc172ae1accde835b880fdc4a2c2a3df57;hp=33af9e9408875d1aa4d237e9db73a92a5d185bd9;hpb=6b06d2cc6d52830e3e0c001006b26255f47184dd;p=deliverable%2Flinux.git

diff --git a/net/ipv4/netfilter/ipt_iprange.c b/net/ipv4/netfilter/ipt_iprange.c
index 33af9e940887..854281c62008 100644
--- a/net/ipv4/netfilter/ipt_iprange.c
+++ b/net/ipv4/netfilter/ipt_iprange.c
@@ -23,20 +23,20 @@ MODULE_DESCRIPTION("iptables arbitrary IP range match module");
 #define DEBUGP(format, args...)
 #endif
 
-static int
+static bool
 match(const struct sk_buff *skb,
       const struct net_device *in,
       const struct net_device *out,
       const struct xt_match *match,
       const void *matchinfo,
-      int offset, unsigned int protoff, int *hotdrop)
+      int offset, unsigned int protoff, bool *hotdrop)
 {
 	const struct ipt_iprange_info *info = matchinfo;
 	const struct iphdr *iph = ip_hdr(skb);
 
 	if (info->flags & IPRANGE_SRC) {
-		if (((ntohl(iph->saddr) < ntohl(info->src.min_ip))
-			  || (ntohl(iph->saddr) > ntohl(info->src.max_ip)))
+		if ((ntohl(iph->saddr) < ntohl(info->src.min_ip)
+			  || ntohl(iph->saddr) > ntohl(info->src.max_ip))
 			 ^ !!(info->flags & IPRANGE_SRC_INV)) {
 			DEBUGP("src IP %u.%u.%u.%u NOT in range %s"
 			       "%u.%u.%u.%u-%u.%u.%u.%u\n",
@@ -44,12 +44,12 @@ match(const struct sk_buff *skb,
 				info->flags & IPRANGE_SRC_INV ? "(INV) " : "",
 				NIPQUAD(info->src.min_ip),
 				NIPQUAD(info->src.max_ip));
-			return 0;
+			return false;
 		}
 	}
 	if (info->flags & IPRANGE_DST) {
-		if (((ntohl(iph->daddr) < ntohl(info->dst.min_ip))
-			  || (ntohl(iph->daddr) > ntohl(info->dst.max_ip)))
+		if ((ntohl(iph->daddr) < ntohl(info->dst.min_ip)
+			  || ntohl(iph->daddr) > ntohl(info->dst.max_ip))
 			 ^ !!(info->flags & IPRANGE_DST_INV)) {
 			DEBUGP("dst IP %u.%u.%u.%u NOT in range %s"
 			       "%u.%u.%u.%u-%u.%u.%u.%u\n",
@@ -57,10 +57,10 @@ match(const struct sk_buff *skb,
 				info->flags & IPRANGE_DST_INV ? "(INV) " : "",
 				NIPQUAD(info->dst.min_ip),
 				NIPQUAD(info->dst.max_ip));
-			return 0;
+			return false;
 		}
 	}
-	return 1;
+	return true;
 }
 
 static struct xt_match iprange_match = {