| commit | 224e923cd9b001c612b7b68933264156271722f9 | [log] [tgz] |
|---|---|---|
| author | Cong Wang <cwang@twopensource.com> | Wed Jul 16 14:25:31 2014 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Sun Jul 20 20:31:42 2014 -0700 |
| tree | 0b1d32fe64e7157ac362a4d5778c9aae0cf5bfad | |
| parent | e81fbf6cd65247e6c65719eacf2af5856db3d5a9 [diff] |
net_sched: hold tcf_lock in netdevice notifier We modify mirred action (m->tcfm_dev) in netdev event, we need to prevent on-going mirred actions from reading freed m->tcfm_dev. So we need to acquire this spin lock. Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Cong Wang <cwang@twopensource.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>