summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/icmp.c3
-rw-r--r--net/ipv4/igmp.c2
-rw-r--r--net/ipv4/tcp.c3
3 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 562efd91f45..5d0d379b015 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -503,7 +503,8 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
iph = ip_hdr(skb_in);
if ((u8 *)iph < skb_in->head ||
- (skb_in->network_header + sizeof(*iph)) > skb_in->tail)
+ (skb_network_header(skb_in) + sizeof(*iph)) >
+ skb_tail_pointer(skb_in))
goto out;
/*
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index d8c232794bc..450f625361e 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -363,7 +363,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
static int igmpv3_sendpack(struct sk_buff *skb)
{
struct igmphdr *pig = igmp_hdr(skb);
- const int igmplen = skb->tail - skb->transport_header;
+ const int igmplen = skb_tail_pointer(skb) - skb_transport_header(skb);
pig->csum = ip_compute_csum(igmp_hdr(skb), igmplen);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index ba4186e1dca..1f58594d5a8 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2989,7 +2989,8 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb,
swap(gso_skb->truesize, skb->truesize);
}
- delta = htonl(oldlen + (skb->tail - skb->transport_header) +
+ delta = htonl(oldlen + (skb_tail_pointer(skb) -
+ skb_transport_header(skb)) +
skb->data_len);
th->check = ~csum_fold((__force __wsum)((__force u32)th->check +
(__force u32)delta));