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Subject[PATCH] netlabel_domainhash.c: Use built-in RCU list checking
Date
From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>

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>
---
net/netlabel/netlabel_domainhash.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c
index f5d34da0646e..a1f2320ecc16 100644
--- a/net/netlabel/netlabel_domainhash.c
+++ b/net/netlabel/netlabel_domainhash.c
@@ -143,7 +143,8 @@ static struct netlbl_dom_map *netlbl_domhsh_search(const char *domain,
if (domain != NULL) {
bkt = netlbl_domhsh_hash(domain);
bkt_list = &netlbl_domhsh_rcu_deref(netlbl_domhsh)->tbl[bkt];
- list_for_each_entry_rcu(iter, bkt_list, list)
+ list_for_each_entry_rcu(iter, bkt_list, list,
+ lockdep_is_held(&netlbl_domhsh_lock))
if (iter->valid &&
netlbl_family_match(iter->family, family) &&
strcmp(iter->domain, domain) == 0)
--
2.17.1
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