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net: use INET_ECN_MASK instead of hardcoded 3 

Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maciej Żenczykowski 2011-10-22 00:07:47 -04:00 committed by David S. Miller
parent cf533ea53e
commit 2c67e9acb6
1 changed files with 3 additions and 2 deletions
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5
net/ipv4/ip_sockglue.c
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@ -33,6 +33,7 @@
#include <linux/netfilter.h>
#include <linux/route.h>
#include <linux/mroute.h>
#include <net/inet_ecn.h>
#include <net/route.h>
#include <net/xfrm.h>
#include <net/compat.h>
@ -578,8 +579,8 @@ static int do_ip_setsockopt(struct sock *sk, int level,
break;
case IP_TOS: /* This sets both TOS and Precedence */
if (sk->sk_type == SOCK_STREAM) {
val &= ~3;
val |= inet->tos & 3;
val &= ~INET_ECN_MASK;
val |= inet->tos & INET_ECN_MASK;
}
if (inet->tos != val) {
inet->tos = val;