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bridge: br_stp: Use built-in RCU list checking 

list_for_each_entry_rcu() has built-in RCU and lock checking.

Pass cond argument to list_for_each_entry_rcu() to silence
false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled
by default.

Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Madhuparna Bhowmik 2020-02-19 20:47:46 +05:30 committed by David S. Miller
parent c3331d2fe3
commit 33c4acbe2f
1 changed files with 2 additions and 1 deletions
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3
net/bridge/br_stp.c
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@ -63,7 +63,8 @@ struct net_bridge_port *br_get_port(struct net_bridge *br, u16 port_no)
{
struct net_bridge_port *p;
list_for_each_entry_rcu(p, &br->port_list, list) {
list_for_each_entry_rcu(p, &br->port_list, list,
lockdep_is_held(&br->lock)) {
if (p->port_no == port_no)
return p;
}