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[ Upstream commit1fde0ca3a0] As IDR can't protect itself from the concurrent modification, place idr_remove() under the protection of tp->lock. Fixes:08a0063df3("net/sched: flower: Move filter handle initialization earlier") Signed-off-by: Jianbo Liu <jianbol@nvidia.com> Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com> Reviewed-by: Gal Pressman <gal@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Link: https://lore.kernel.org/r/20240220085928.9161-1-jianbol@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>