[PKT_SCHED]: Fix OOPS when removing devices from a teql queuing discipline

tecl_reset() is called from deactivate and qdisc is set to noop already,
but subsequent teql_xmit does not know about it and dereference private
data as teql qdisc and thus oopses.
not catch it first :)

Signed-off-by: Evgeniy Polyakov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
1 file changed