From 498862c2baaa3aed450f1d789ec4e15d46c5ce9d Mon Sep 17 00:00:00 2001
From: Patrick McHardy <kaber@trash.net>
Date: Wed, 9 Apr 2008 15:14:18 -0700
Subject: [PATCH] --- yaml --- r: 88269 b: refs/heads/master c:
 1b9b70ea2ebaab26c3e4fed385dfab6fc16359ed h: refs/heads/master i:   88267:
 b798dc619089f63e69bcc68171283052b86c1049 v: v3

---
 [refs]                             |  2 +-
 trunk/net/netfilter/xt_hashlimit.c | 23 +++++------------------
 2 files changed, 6 insertions(+), 19 deletions(-)

diff --git a/[refs] b/[refs]
index 50bf57274d67..18caa2035ca1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b41f5bfff73f244101b34f3603974ef7aeadf545
+refs/heads/master: 1b9b70ea2ebaab26c3e4fed385dfab6fc16359ed
diff --git a/trunk/net/netfilter/xt_hashlimit.c b/trunk/net/netfilter/xt_hashlimit.c
index dc29007c52cd..40d344b21453 100644
--- a/trunk/net/netfilter/xt_hashlimit.c
+++ b/trunk/net/netfilter/xt_hashlimit.c
@@ -466,38 +466,25 @@ static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now)
 
 static inline __be32 maskl(__be32 a, unsigned int l)
 {
-	return htonl(ntohl(a) & ~(~(u_int32_t)0 >> l));
+	return l ? htonl(ntohl(a) & ~0 << (32 - l)) : 0;
 }
 
 #if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
 static void hashlimit_ipv6_mask(__be32 *i, unsigned int p)
 {
 	switch (p) {
-	case 0:
-		i[0] = i[1] = 0;
-		i[2] = i[3] = 0;
-		break;
-	case 1 ... 31:
+	case 0 ... 31:
 		i[0] = maskl(i[0], p);
 		i[1] = i[2] = i[3] = 0;
 		break;
-	case 32:
-		i[1] = i[2] = i[3] = 0;
-		break;
-	case 33 ... 63:
+	case 32 ... 63:
 		i[1] = maskl(i[1], p - 32);
 		i[2] = i[3] = 0;
 		break;
-	case 64:
-		i[2] = i[3] = 0;
-		break;
-	case 65 ... 95:
+	case 64 ... 95:
 		i[2] = maskl(i[2], p - 64);
 		i[3] = 0;
-	case 96:
-		i[3] = 0;
-		break;
-	case 97 ... 127:
+	case 96 ... 127:
 		i[3] = maskl(i[3], p - 96);
 		break;
 	case 128: