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authorMadhuparna Bhowmik <madhuparnabhowmik10@gmail.com>2020-02-18 19:41:32 +0100
committerDavid S. Miller <davem@davemloft.net>2020-02-18 21:44:23 +0100
commit9facfdb5467382a21fc0bd4211ced26c06f28832 (patch)
treef8215ce7b8f2ac7f34189989deab631751067c3c
parentnet: netlabel: Use built-in RCU list checking (diff)
downloadlinux-9facfdb5467382a21fc0bd4211ced26c06f28832.tar.xz
linux-9facfdb5467382a21fc0bd4211ced26c06f28832.zip
netlabel_domainhash.c: 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>
-rw-r--r--net/netlabel/netlabel_domainhash.c3
1 files changed, 2 insertions, 1 deletions
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)