diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2005-09-08 12:57:43 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-09-08 12:57:43 -0700 |
| commit | 42ca89c18b75e1c4c3b02aa5589ad3aa916909a8 (patch) | |
| tree | a3052c4ffdfa8451a182c49837a92054f5688672 | |
| parent | e50ef933e649a2b43aa10c8a60c491543b8b4c02 (diff) | |
[IPV6]: Need to use pskb_trim_rcsum().
Fix pskb_trim usage in ipv6. Only the udp one is really
a bug, other places are just doing equivalent code.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/exthdrs.c | 9 | ||||
| -rw-r--r-- | net/ipv6/reassembly.c | 9 | ||||
| -rw-r--r-- | net/ipv6/udp.c | 2 |
3 files changed, 8 insertions, 12 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 5be6da2584e..3b9fa900a4b 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -459,11 +459,10 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff) IP6_INC_STATS_BH(IPSTATS_MIB_INTRUNCATEDPKTS); goto drop; } - if (pkt_len + sizeof(struct ipv6hdr) < skb->len) { - __pskb_trim(skb, pkt_len + sizeof(struct ipv6hdr)); - if (skb->ip_summed == CHECKSUM_HW) - skb->ip_summed = CHECKSUM_NONE; - } + + if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) + goto drop; + return 1; drop: diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 9d9e04344c7..e4fe9ee484d 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -479,12 +479,9 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb, /* Point into the IP datagram 'data' part. */ if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data)) goto err; - if (end-offset < skb->len) { - if (pskb_trim(skb, end - offset)) - goto err; - if (skb->ip_summed != CHECKSUM_UNNECESSARY) - skb->ip_summed = CHECKSUM_NONE; - } + + if (pskb_trim_rcsum(skb, end - offset)) + goto err; /* Find out which fragments are in front and at the back of us * in the chain of fragments so far. We must know where to put diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 390d750449c..7cbcaa30cf5 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -483,7 +483,7 @@ static int udpv6_rcv(struct sk_buff **pskb, unsigned int *nhoffp) } if (ulen < skb->len) { - if (__pskb_trim(skb, ulen)) + if (pskb_trim_rcsum(skb, ulen)) goto discard; saddr = &skb->nh.ipv6h->saddr; daddr = &skb->nh.ipv6h->daddr; |