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[NETFILTER]: xt_TOS: Properly set the TOS field

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Fix incorrect mask value passed to ipv4_change_dsfield/ipv6_change_dsfield.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jan Engelhardt 2008-01-14 23:32:54 -08:00 committed by David S. Miller
parent 9bb268ed7c
commit cdfe8b9797
1 changed files with 2 additions and 2 deletions
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4
net/netfilter/xt_DSCP.c
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@ -134,7 +134,7 @@ tos_tg(struct sk_buff *skb, const struct net_device *in,
if (!skb_make_writable(skb, sizeof(struct iphdr))) if (!skb_make_writable(skb, sizeof(struct iphdr)))
return NF_DROP; return NF_DROP;
iph = ip_hdr(skb); iph = ip_hdr(skb);
ipv4_change_dsfield(iph, ~0, nv); ipv4_change_dsfield(iph, 0, nv);
} }
return XT_CONTINUE; return XT_CONTINUE;
@ -156,7 +156,7 @@ tos_tg6(struct sk_buff *skb, const struct net_device *in,
if (!skb_make_writable(skb, sizeof(struct iphdr))) if (!skb_make_writable(skb, sizeof(struct iphdr)))
return NF_DROP; return NF_DROP;
iph = ipv6_hdr(skb); iph = ipv6_hdr(skb);
ipv6_change_dsfield(iph, ~0, nv); ipv6_change_dsfield(iph, 0, nv);
} }
return XT_CONTINUE; return XT_CONTINUE;