From: Roel Kluin <roel.kluin@gmail.com>
Date: Fri, 13 Mar 2009 23:05:14 +0000 (-0700)
Subject: tcp: '< 0' test on unsigned
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a2025b8b1039e5abaa38319b2eaab3b17867479a;p=openwrt%2Fstaging%2Fblogic.git

tcp: '< 0' test on unsigned

promote 'cnt' to size_t, to match 'len'.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 25524d4e372a..59f5b5e7c566 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -165,9 +165,10 @@ static int tcpprobe_sprint(char *tbuf, int n)
 static ssize_t tcpprobe_read(struct file *file, char __user *buf,
 			     size_t len, loff_t *ppos)
 {
-	int error = 0, cnt = 0;
+	int error = 0;
+	size_t cnt = 0;
 
-	if (!buf || len < 0)
+	if (!buf)
 		return -EINVAL;
 
 	while (cnt < len) {