From 2c42a3fb30845867bfcaf0747ff50c1375884ff2 Mon Sep 17 00:00:00 2001
From: Julian Anastasov <ja@ssi.bg>
Date: Tue, 30 Oct 2012 12:03:09 +0000
Subject: tcp: Fix double sizeof in new tcp_metrics code
Fix double sizeof when parsing IPv6 address from
user space because it breaks get/del by specific IPv6 address.
Problem noticed by David Binderman:
https://bugzilla.kernel.org/show_bug.cgi?id=49171
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/tcp_metrics.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'net/ipv4/tcp_metrics.c')
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 4c752a6e0bc..53bc5847bfa 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -864,7 +864,7 @@ static int parse_nl_addr(struct genl_info *info, struct inetpeer_addr *addr,
}
a = info->attrs[TCP_METRICS_ATTR_ADDR_IPV6];
if (a) {
- if (nla_len(a) != sizeof(sizeof(struct in6_addr)))
+ if (nla_len(a) != sizeof(struct in6_addr))
return -EINVAL;
addr->family = AF_INET6;
memcpy(addr->addr.a6, nla_data(a), sizeof(addr->addr.a6));
--
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