On 9/23/15 12:56 PM, Daniel Borkmann wrote:
The binding to a particular classid was so far always mandatory for
cls_bpf, but it doesn't need to be. Therefore, lift this restriction
as similarly done in other classifiers.
Only a couple of qdiscs make use of class from the tcf_result, others
don't strictly care, so let the user choose his needs (those that read
out class can handle situations where it could be NULL).
An explicit check for tcf_unbind_filter() is also not needed here, as
the previous r->class was 0, so the xchg() will return that and
therefore a callback to the qdisc's unbind_tcf() is skipped.
Signed-off-by: Daniel Borkmann<dan...@iogearbox.net>
Acked-by: Alexei Starovoitov <a...@plumgrid.com>
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