diff options
| author | Cong Wang <cwang@twopensource.com> | 2014-07-17 01:25:31 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-07-21 07:31:42 +0400 |
| commit | 224e923cd9b001c612b7b68933264156271722f9 (patch) | |
| tree | 0b1d32fe64e7157ac362a4d5778c9aae0cf5bfad /net/sched/sch_api.c | |
| parent | e81fbf6cd65247e6c65719eacf2af5856db3d5a9 (diff) | |
| download | linux-224e923cd9b001c612b7b68933264156271722f9.tar.xz | |
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>
Diffstat (limited to 'net/sched/sch_api.c')
0 files changed, 0 insertions, 0 deletions