| Message ID | 1319074449-10892-1-git-send-email-gaofeng@cn.fujitsu.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
Le jeudi 20 octobre 2011 à 09:34 +0800, Gao feng a écrit : > In func ipv4_dst_check,check_peer_pmtu should be called only when peer is updated. > So,if the peer is not updated in ip_rt_frag_needed,we can not inc __rt_peer_genid. > > Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 075212e..04a14db 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1568,11 +1568,10 @@ unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph, est_mtu = mtu; peer->pmtu_learned = mtu; peer->pmtu_expires = pmtu_expires; + atomic_inc(&__rt_peer_genid); } inet_putpeer(peer); - - atomic_inc(&__rt_peer_genid); } return est_mtu ? : new_mtu; }
In func ipv4_dst_check,check_peer_pmtu should be called only when peer is updated. So,if the peer is not updated in ip_rt_frag_needed,we can not inc __rt_peer_genid. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> --- net/ipv4/route.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-)