X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=net%2Fnetfilter%2Fxt_HL.c;h=7873b834c30045661a76bbffe9c8e2f71a5c500b;hb=cc3251d8ef6abb5ae7f75a5062dc4b05830571d2;hp=8221a5ce44bf5cc19d6455b11deec96dd06c2d2e;hpb=c39f2d9db0fd81ea20bb5cce9b3f082ca63753e2;p=linux.git

diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 8221a5ce44bf..7873b834c300 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -29,7 +29,7 @@ ttl_tg(struct sk_buff *skb, const struct xt_action_param *par)
 	const struct ipt_TTL_info *info = par->targinfo;
 	int new_ttl;
 
-	if (!skb_make_writable(skb, skb->len))
+	if (skb_ensure_writable(skb, sizeof(*iph)))
 		return NF_DROP;
 
 	iph = ip_hdr(skb);
@@ -69,7 +69,7 @@ hl_tg6(struct sk_buff *skb, const struct xt_action_param *par)
 	const struct ip6t_HL_info *info = par->targinfo;
 	int new_hl;
 
-	if (!skb_make_writable(skb, skb->len))
+	if (skb_ensure_writable(skb, sizeof(*ip6h)))
 		return NF_DROP;
 
 	ip6h = ipv6_hdr(skb);