diff options
Diffstat (limited to 'net/netfilter/nf_flow_table_core.c')
| -rw-r--r-- | net/netfilter/nf_flow_table_core.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c index 4f7a567c536e..513f78db3cb2 100644 --- a/net/netfilter/nf_flow_table_core.c +++ b/net/netfilter/nf_flow_table_core.c @@ -395,8 +395,7 @@ static int nf_flow_nat_port_tcp(struct sk_buff *skb, unsigned int thoff, { struct tcphdr *tcph; - if (!pskb_may_pull(skb, thoff + sizeof(*tcph)) || - skb_try_make_writable(skb, thoff + sizeof(*tcph))) + if (skb_try_make_writable(skb, thoff + sizeof(*tcph))) return -1; tcph = (void *)(skb_network_header(skb) + thoff); @@ -410,8 +409,7 @@ static int nf_flow_nat_port_udp(struct sk_buff *skb, unsigned int thoff, { struct udphdr *udph; - if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || - skb_try_make_writable(skb, thoff + sizeof(*udph))) + if (skb_try_make_writable(skb, thoff + sizeof(*udph))) return -1; udph = (void *)(skb_network_header(skb) + thoff); @@ -449,8 +447,7 @@ int nf_flow_snat_port(const struct flow_offload *flow, struct flow_ports *hdr; __be16 port, new_port; - if (!pskb_may_pull(skb, thoff + sizeof(*hdr)) || - skb_try_make_writable(skb, thoff + sizeof(*hdr))) + if (skb_try_make_writable(skb, thoff + sizeof(*hdr))) return -1; hdr = (void *)(skb_network_header(skb) + thoff); @@ -481,8 +478,7 @@ int nf_flow_dnat_port(const struct flow_offload *flow, struct flow_ports *hdr; __be16 port, new_port; - if (!pskb_may_pull(skb, thoff + sizeof(*hdr)) || - skb_try_make_writable(skb, thoff + sizeof(*hdr))) + if (skb_try_make_writable(skb, thoff + sizeof(*hdr))) return -1; hdr = (void *)(skb_network_header(skb) + thoff); |