Hello!
net/decnet/dn_route.c in dn_rt_cache_get_next() is as follows:
static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct
dn_route *rt)
{
struct dn_rt_cache_iter_state *s = rcu_dereference(seq->private);
rt = rt->u.dst.dn_next;
while(!rt) {
rcu_read_unlock_bh();
if (--s->bucket < 0)
break;
... But what happens if seq->private is freed up right here?
... Or what prevents this from happening?
rcu_read_lock_bh();
rt = dn_rt_hash_table[s->bucket].chain;
}
return rt;
}
Similar code is in rt_cache_get_next().
So, what am I missing here?
Thanx, Paul
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