On Sat, Dec 2, 2017 at 11:47 AM, Cong Wang [off-list ref] wrote:

On Sat, Dec 2, 2017 at 12:57 AM, Jiri Pirko [off-list ref] wrote:

quoted

Good. Please also use m->tcfm_dev->ifindex in tcf_mirred_dump and
tcf_mirred_ifindex. Then you can remove tcfm_ifindex completely.

Sounds good. Will send v2.

Hold on, m->tcfm_dev could be NULL, so we can't just def it here.

I think we can just use 0 when it is NULL:

.ifindex = m->tcfm_dev ? m->tcfm_dev->ifindex : 0,

This also "fixes" the garbage ifindex dump when the target device is gone.