---

yaml
---
r: 6346
b: refs/heads/master
c: 8ffde67
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9d810fd2d28a9d672eca3136476af1a54a380bb2
+refs/heads/master: 8ffde671730df0b392ca478643b88ef7153244c0

trunk/net/ipv4/netfilter/ipt_connbytes.c

@@ -22,23 +22,19 @@ MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
 MODULE_DESCRIPTION("iptables match for matching number of pkts/bytes per connection");
 
 /* 64bit divisor, dividend and result. dynamic precision */
-static u_int64_t div64_64(u_int64_t divisor, u_int64_t dividend)
+static u_int64_t div64_64(u_int64_t dividend, u_int64_t divisor)
 {
-	u_int64_t result = divisor;
-
-	if (dividend > 0xffffffff) {
-		int first_bit = find_first_bit((unsigned long *) &dividend, sizeof(dividend));
-		/* calculate number of bits to shift. shift exactly enough
-		 * bits to make dividend fit in 32bits. */
-		int num_shift = (64 - 32 - first_bit);
-		/* first bit has to be < 32, since dividend was > 0xffffffff */
-		result = result >> num_shift;
-		dividend = dividend >> num_shift;
-	}
+	u_int32_t d = divisor;
+
+	if (divisor > 0xffffffffULL) {
+		unsigned int shift = fls(divisor >> 32);
 
-	do_div(divisor, dividend);
+		d = divisor >> shift;
+		dividend >>= shift;
+	}
 
-	return divisor;
+	do_div(dividend, d);
+	return dividend;
 }
 
 static int