diff options
| author | Denis V. Lunev <den@openvz.org> | 2008-02-28 20:50:33 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-28 20:50:33 -0800 |
| commit | 642d6318119af60ac019524bd4edcfbd19d9d211 (patch) | |
| tree | 7de60bd02fd71902133ce6920afeed496d897782 /net/ipv4/route.c | |
| parent | 317805b8f875ca1bd43d594c0a210e24fab7d177 (diff) | |
| download | linux-642d6318119af60ac019524bd4edcfbd19d9d211.tar.bz2 | |
[IPV4]: rt_cache_get_next should take rt_genid into account.
In the other case /proc/net/rt_cache will look inconsistent in respect to
genid.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
| -rw-r--r-- | net/ipv4/route.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index ad6eadd12b4a..f9654f2ae5b3 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -294,7 +294,8 @@ static struct rtable *rt_cache_get_first(struct rt_cache_iter_state *st) return r; } -static struct rtable *rt_cache_get_next(struct rt_cache_iter_state *st, struct rtable *r) +static struct rtable *__rt_cache_get_next(struct rt_cache_iter_state *st, + struct rtable *r) { r = r->u.dst.rt_next; while (!r) { @@ -307,16 +308,23 @@ static struct rtable *rt_cache_get_next(struct rt_cache_iter_state *st, struct r return rcu_dereference(r); } +static struct rtable *rt_cache_get_next(struct rt_cache_iter_state *st, + struct rtable *r) +{ + while ((r = __rt_cache_get_next(st, r)) != NULL) { + if (r->rt_genid == st->genid) + break; + } + return r; +} + static struct rtable *rt_cache_get_idx(struct rt_cache_iter_state *st, loff_t pos) { struct rtable *r = rt_cache_get_first(st); if (r) - while (pos && (r = rt_cache_get_next(st, r))) { - if (r->rt_genid != st->genid) - continue; + while (pos && (r = rt_cache_get_next(st, r))) --pos; - } return pos ? NULL : r; } |