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net/sched: act_ct: Use pskb_network_may_pull()

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To make the filler functions more generic, use network
relative skb pulling.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Blakey 2020-03-04 13:49:39 +02:00 committed by David S. Miller
parent 07ac9d16b4
commit 4cc5fdec6d
1 changed files with 8 additions and 8 deletions
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8
net/sched/act_ct.c
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@ -195,7 +195,7 @@ tcf_ct_flow_table_fill_tuple_ipv4(struct sk_buff *skb,
unsigned int thoff;
struct iphdr *iph;
if (!pskb_may_pull(skb, sizeof(*iph)))
if (!pskb_network_may_pull(skb, sizeof(*iph)))
return false;
iph = ip_hdr(skb);
@ -212,7 +212,7 @@ tcf_ct_flow_table_fill_tuple_ipv4(struct sk_buff *skb,
if (iph->ttl <= 1)
return false;
if (!pskb_may_pull(skb, iph->protocol == IPPROTO_TCP ?
if (!pskb_network_may_pull(skb, iph->protocol == IPPROTO_TCP ?
thoff + sizeof(struct tcphdr) :
thoff + sizeof(*ports)))
return false;
@ -241,7 +241,7 @@ tcf_ct_flow_table_fill_tuple_ipv6(struct sk_buff *skb,
struct ipv6hdr *ip6h;
unsigned int thoff;
if (!pskb_may_pull(skb, sizeof(*ip6h)))
if (!pskb_network_may_pull(skb, sizeof(*ip6h)))
return false;
ip6h = ipv6_hdr(skb);
@ -254,7 +254,7 @@ tcf_ct_flow_table_fill_tuple_ipv6(struct sk_buff *skb,
return false;
thoff = sizeof(*ip6h);
if (!pskb_may_pull(skb, ip6h->nexthdr == IPPROTO_TCP ?
if (!pskb_network_may_pull(skb, ip6h->nexthdr == IPPROTO_TCP ?
thoff + sizeof(struct tcphdr) :
thoff + sizeof(*ports)))
return false;