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 <[EMAIL PROTECTED]>
---
net/ipv6/exthdrs.c | 9 ++++-----
net/ipv6/reassembly.c | 9 +++------
net/ipv6/udp.c | 2 +-
3 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -459,11 +459,10 @@ static int ipv6_hop_jumbo(struct sk_buff
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
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -479,12 +479,9 @@ static void ip6_frag_queue(struct frag_q
/* 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
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -483,7 +483,7 @@ static int udpv6_rcv(struct sk_buff **ps
}
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;
-
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