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| author | Vlad Buslov <[email protected]> | 2019-02-11 08:55:42 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-02-12 18:41:33 +0000 |
| commit | 726d061286ceeeabda54ba6f080d0cb8f187a9d7 (patch) | |
| tree | 1bbd36ec6d6bf3e1a53c1de07c9c9ed4560eabd1 /net/sched/cls_basic.c | |
| parent | net: sched: refactor tp insert/delete for concurrent execution (diff) | |
| download | kernel-726d061286ceeeabda54ba6f080d0cb8f187a9d7.tar.gz kernel-726d061286ceeeabda54ba6f080d0cb8f187a9d7.zip | |
net: sched: prevent insertion of new classifiers during chain flush
Extend tcf_chain with 'flushing' flag. Use the flag to prevent insertion of
new classifier instances when chain flushing is in progress in order to
prevent resource leak when tcf_proto is created by unlocked users
concurrently.
Return EAGAIN error from tcf_chain_tp_insert_unique() to restart
tc_new_tfilter() and lookup the chain/proto again.
Signed-off-by: Vlad Buslov <[email protected]>
Acked-by: Jiri Pirko <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/sched/cls_basic.c')
0 files changed, 0 insertions, 0 deletions