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authorVlad Buslov <vladbu@mellanox.com>2019-08-26 16:45:03 +0300
committerDavid S. Miller <davem@davemloft.net>2019-08-27 00:17:43 +0300
commit9838b20a7fb28c69fa66ac8e68d967ffe1d0ecad (patch)
tree9ed88766141671e1bd7f930d7b53746a18d11c37 /include/net/pkt_cls.h
parent11bd634da25735a3f2f12112d02661d462a76792 (diff)
downloadlinux-9838b20a7fb28c69fa66ac8e68d967ffe1d0ecad.tar.xz
net: sched: take rtnl lock in tc_setup_flow_action()
In order to allow using new flow_action infrastructure from unlocked classifiers, modify tc_setup_flow_action() to accept new 'rtnl_held' argument. Take rtnl lock before accessing tc_action data. This is necessary to protect from concurrent action replace. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/pkt_cls.h')
-rw-r--r--include/net/pkt_cls.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 612232492f67..a48824bc1489 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -504,7 +504,7 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
}
int tc_setup_flow_action(struct flow_action *flow_action,
- const struct tcf_exts *exts);
+ const struct tcf_exts *exts, bool rtnl_held);
int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
void *type_data, bool err_stop, bool rtnl_held);
int tc_setup_cb_add(struct tcf_block *block, struct tcf_proto *tp,