Vladimir Oltean <olte...@gmail.com> writes:
> taprio_init may fail earlier than this line:
>
> list_add(&q->taprio_list, &taprio_list);
>
> i.e. due to the net device not being multi queue.
>
> Attempting to remove q from the global taprio_list when it is not part
> of it will result in a kernel panic.
>
> Fix it by matching list_add and list_del better to one another in the
> order of operations. This way we can keep the deletion unconditional
> and with lower complexity - O(1).
>
> Cc: Leandro Dorileo <leandro.maciel.dori...@intel.com>
> Fixes: 7b9eba7ba0c1 ("net/sched: taprio: fix picos_per_byte miscalculation")
> Signed-off-by: Vladimir Oltean <olte...@gmail.com>
> ---
Acked-by: Vinicius Costa Gomes <vinicius.go...@intel.com>
