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net: netlabel: 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 2020-02-18 23:47:18 +05:30 committed by David S. Miller
parent 379349e9bc
commit 8c70c3d728
1 changed files with 2 additions and 1 deletions
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3
net/netlabel/netlabel_unlabeled.c
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@ -207,7 +207,8 @@ static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex)
bkt = netlbl_unlhsh_hash(ifindex);
bkt_list = &netlbl_unlhsh_rcu_deref(netlbl_unlhsh)->tbl[bkt];
list_for_each_entry_rcu(iter, bkt_list, list)
list_for_each_entry_rcu(iter, bkt_list, list,
lockdep_is_held(&netlbl_unlhsh_lock))
if (iter->valid && iter->ifindex == ifindex)
return iter;