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protocol->import_control() could potentially call rte_cow() as well.

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AFAIK it doesn't happen in any of our protocol, but better be sure.
This commit is contained in:
Martin Mares 2003-08-13 20:04:39 +00:00
parent 2adab6ae9c
commit 13b75bacf7
1 changed files with 11 additions and 10 deletions
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21
nest/rt-table.c
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@ -168,22 +168,19 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
if (new)
{
char *drop_reason = NULL;
if ((class & IADDR_SCOPE_MASK) < p->min_scope)
{
rte_trace_out(D_FILTERS, p, new, "out of scope");
new = NULL;
}
drop_reason = "out of scope";
else if ((ok = p->import_control ? p->import_control(p, &new, &tmpa, rte_update_pool) : 0) < 0)
{
rte_trace_out(D_FILTERS, p, new, "rejected by protocol");
new = NULL;
}
drop_reason = "rejected by protocol";
else if (ok)
rte_trace_out(D_FILTERS, p, new, "forced accept by protocol");
else if (p->out_filter == FILTER_REJECT ||
p->out_filter && f_run(p->out_filter, &new, &tmpa, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT)
drop_reason = "filtered out";
if (drop_reason)
{
rte_trace_out(D_FILTERS, p, new, "filtered out");
rte_trace_out(D_FILTERS, p, new, drop_reason);
if (new != new0)
rte_free(new);
new = NULL;
@ -198,7 +195,11 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
ea_list *tmpb = p->make_tmp_attrs ? p->make_tmp_attrs(old, rte_update_pool) : NULL;
ok = p->import_control ? p->import_control(p, &old, &tmpb, rte_update_pool) : 0;
if (ok < 0 || (!ok && f_run(p->out_filter, &old, &tmpb, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
old = NULL;
{
if (old != old0)
rte_free(old);
old = NULL;
}
}
}
if (p->debug & D_ROUTES)