Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b5c15f...
Commit: b5c15fc004ac83b7ad280acbe0fd4bbed7e2c8d4
Parent: 073a371987f9a9806a85329eed51dca1fc52a7a0
Author: Herbert Xu <herbert@gondor.apana.org.au>
AuthorDate: Thu Feb 14 23:49:37 2008 -0800
Committer: David S. Miller <davem@davemloft.net>
CommitDate: Thu Feb 14 23:49:37 2008 -0800
[IPV6]: Fix reversed local_df test in ip6_fragment
I managed to reverse the local_df test when forward-porting this
patch so it actually makes things worse by never fragmenting at
all.
Thanks to David Stevens for testing and reporting this bug.
Bill Fink pointed out that the local_df setting is also the wrong
way around.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv6/ip6_output.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 4e9a2fe..8b67ca0 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -621,7 +621,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
* or if the skb it not generated by a local socket. (This last
* check should be redundant, but it's free.)
*/
- if (skb->local_df) {
+ if (!skb->local_df) {
skb->dev = skb->dst->dev;
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
@@ -1421,7 +1421,7 @@ int ip6_push_pending_frames(struct sock *sk)
}
/* Allow local fragmentation. */
- if (np->pmtudisc >= IPV6_PMTUDISC_DO)
+ if (np->pmtudisc < IPV6_PMTUDISC_DO)
skb->local_df = 1;
ipv6_addr_copy(final_dst, &fl->fl6_dst);
-
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