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Diffstat (limited to 'net/netfilter/xt_DSCP.c')
-rw-r--r--net/netfilter/xt_DSCP.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c
index eababc354ff1..cfa44515ab72 100644
--- a/net/netfilter/xt_DSCP.c
+++ b/net/netfilter/xt_DSCP.c
@@ -24,6 +24,8 @@ MODULE_ALIAS("ip6t_DSCP");
MODULE_ALIAS("ipt_TOS");
MODULE_ALIAS("ip6t_TOS");
+#define XT_DSCP_ECN_MASK 3u
+
static unsigned int
dscp_tg(struct sk_buff *skb, const struct xt_action_param *par)
{
@@ -34,8 +36,7 @@ dscp_tg(struct sk_buff *skb, const struct xt_action_param *par)
if (skb_ensure_writable(skb, sizeof(struct iphdr)))
return NF_DROP;
- ipv4_change_dsfield(ip_hdr(skb),
- (__force __u8)(~XT_DSCP_MASK),
+ ipv4_change_dsfield(ip_hdr(skb), XT_DSCP_ECN_MASK,
dinfo->dscp << XT_DSCP_SHIFT);
}
@@ -52,8 +53,7 @@ dscp_tg6(struct sk_buff *skb, const struct xt_action_param *par)
if (skb_ensure_writable(skb, sizeof(struct ipv6hdr)))
return NF_DROP;
- ipv6_change_dsfield(ipv6_hdr(skb),
- (__force __u8)(~XT_DSCP_MASK),
+ ipv6_change_dsfield(ipv6_hdr(skb), XT_DSCP_ECN_MASK,
dinfo->dscp << XT_DSCP_SHIFT);
}
return XT_CONTINUE;