From: wenxu <wenxu@xxxxxxxxx> This patch make indr_block_call don't access struct tc_indr_block_cb and tc_indr_block_dev directly Signed-off-by: wenxu <wenxu@xxxxxxxxx> --- v5: new patch net/sched/cls_api.c | 33 ++++++++++++++++++++------------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index f9643fa..617b098 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -783,13 +783,30 @@ void tc_indr_block_cb_unregister(struct net_device *dev, } EXPORT_SYMBOL_GPL(tc_indr_block_cb_unregister); +static void flow_indr_block_call(struct flow_block *flow_block, + struct net_device *dev, + struct flow_block_offload *bo, + enum flow_block_command command) +{ + struct tc_indr_block_cb *indr_block_cb; + struct tc_indr_block_dev *indr_dev; + + indr_dev = tc_indr_block_dev_lookup(dev); + if (!indr_dev) + return; + + indr_dev->flow_block = command == FLOW_BLOCK_BIND ? flow_block : NULL; + + list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list) + indr_block_cb->cb(dev, indr_block_cb->cb_priv, TC_SETUP_BLOCK, + bo); +} + static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev, struct tcf_block_ext_info *ei, enum flow_block_command command, struct netlink_ext_ack *extack) { - struct tc_indr_block_cb *indr_block_cb; - struct tc_indr_block_dev *indr_dev; struct flow_block_offload bo = { .command = command, .binder_type = ei->binder_type, @@ -800,17 +817,7 @@ static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev, }; INIT_LIST_HEAD(&bo.cb_list); - indr_dev = tc_indr_block_dev_lookup(dev); - if (!indr_dev) - return; - - indr_dev->flow_block = command == FLOW_BLOCK_BIND ? - &block->flow_block : NULL; - - list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list) - indr_block_cb->cb(dev, indr_block_cb->cb_priv, TC_SETUP_BLOCK, - &bo); - + flow_indr_block_call(&block->flow_block, dev, &bo, command); tcf_block_setup(block, &bo); } -- 1.8.3.1