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>
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index f0dc3ad..09ff51b 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -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 @@
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;