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[IPV6]: Fix some code/comment formatting in ip6_dst_output().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-03-20 21:35:50 -08:00
parent 06ef921d60
commit d76e60a5b5
1 changed files with 21 additions and 20 deletions
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41
net/ipv6/ip6_output.c
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@ -733,28 +733,29 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl)
if (*dst) {
struct rt6_info *rt = (struct rt6_info*)*dst;
/* Yes, checking route validity in not connected
case is not very simple. Take into account,
that we do not support routing by source, TOS,
and MSG_DONTROUTE --ANK (980726)
1. If route was host route, check that
cached destination is current.
If it is network route, we still may
check its validity using saved pointer
to the last used address: daddr_cache.
We do not want to save whole address now,
(because main consumer of this service
is tcp, which has not this problem),
so that the last trick works only on connected
sockets.
2. oif also should be the same.
*/
/* Yes, checking route validity in not connected
* case is not very simple. Take into account,
* that we do not support routing by source, TOS,
* and MSG_DONTROUTE --ANK (980726)
*
* 1. If route was host route, check that
* cached destination is current.
* If it is network route, we still may
* check its validity using saved pointer
* to the last used address: daddr_cache.
* We do not want to save whole address now,
* (because main consumer of this service
* is tcp, which has not this problem),
* so that the last trick works only on connected
* sockets.
* 2. oif also should be the same.
*/
if (((rt->rt6i_dst.plen != 128 ||
!ipv6_addr_equal(&fl->fl6_dst, &rt->rt6i_dst.addr))
!ipv6_addr_equal(&fl->fl6_dst,
&rt->rt6i_dst.addr))
&& (np->daddr_cache == NULL ||
!ipv6_addr_equal(&fl->fl6_dst, np->daddr_cache)))
!ipv6_addr_equal(&fl->fl6_dst,
np->daddr_cache)))
|| (fl->oif && fl->oif != (*dst)->dev->ifindex)) {
dst_release(*dst);
*dst = NULL;