[PATCH net v2 0/2] ets: use old 'nbands' while purging unused classes

- patch 1/2 fixes a NULL dereference in the control path of sch_ets qdisc
- patch 2/2 extends kselftests to verify effectiveness of the above fix

Changes since v1:
 - added a kselftest (thanks Victor) 

Davide Caratti (2):
  net/sched: ets: use old 'nbands' while purging unused classes
  selftests: net/forwarding: test purge of active DWRR classes

 net/sched/sch_ets.c                                   | 11 ++++++-----
 tools/testing/selftests/net/forwarding/sch_ets.sh     |  1 +
 .../testing/selftests/net/forwarding/sch_ets_tests.sh |  8 ++++++++
 3 files changed, 15 insertions(+), 5 deletions(-)

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2.47.0