bpf, cls: consolidate prog deletion path
Commit 18cdb37e ("net: sched: do not use tcf_proto 'tp' argument from call_rcu") removed the last usage of tp from cls_bpf_delete_prog(), so also remove it from the function as argument to not give a wrong impression. tp is illegal to access from this callback, since it could already have been freed. Refactor the deletion code a bit, so that cls_bpf_destroy() can call into the same code for prog deletion as cls_bpf_delete() op, instead of having it unnecessarily duplicated. Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Acked-by: NAlexei Starovoitov <ast@kernel.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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