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Commit cdfe8b97 authored by Jan Engelhardt's avatar Jan Engelhardt Committed by David S. Miller
Browse files

[NETFILTER]: xt_TOS: Properly set the TOS field 



Fix incorrect mask value passed to ipv4_change_dsfield/ipv6_change_dsfield.

Signed-off-by: default avatarJan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9bb268ed

net/netfilter/xt_DSCP.c

+2 −2
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ tos_tg(struct sk_buff *skb, const struct net_device *in, 
		if (!skb_make_writable(skb, sizeof(struct iphdr)))

			return NF_DROP;

		iph = ip_hdr(skb);

		ipv4_change_dsfield(iph, ~0, nv);

		ipv4_change_dsfield(iph, 0, nv);

	}



	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)))

			return NF_DROP;

		iph = ipv6_hdr(skb);

		ipv6_change_dsfield(iph, ~0, nv);

		ipv6_change_dsfield(iph, 0, nv);

	}



	return XT_CONTINUE;