| Message ID | ee139a874fbb76f5116e9a66e764382d5cfaf6d2.1410477596.git.hannes@stressinduktion.org |
|---|---|
| State | RFC, archived |
| Delegated to: | David Miller |
| Headers | show |
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 101efab..590c5d2 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1529,6 +1529,13 @@ static int fib6_clean_node(struct fib6_walker_t *w) if (c->sernum) c->w.node->fn_sernum = c->sernum; + /* if func is NULL only visit node to update sernum */ + if (!c->func) { + WARN_ON_ONCE(!c->sernum); + w->leaf = NULL; + return 0; + } + for (rt = w->leaf; rt; rt = rt->dst.rt6_next) { res = c->func(rt, c->arg); if (res < 0) {
We now allow NULL rt6_info walker functions to we only visit nodes. Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Vlad Yasevich <vyasevich@gmail.com> Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> --- net/ipv6/ip6_fib.c | 7 +++++++ 1 file changed, 7 insertions(+)