[PATCH v2 4/9] ipv4: add lockdep condition to fix for_each_entry

Joel Fernandes (Google)
2019-07-12T17:01:39Z

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
net/ipv4/fib_frontend.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index b298255f6fdb..ef7c9f8e8682 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -127,7 +127,8 @@ struct fib_table *fib_get_table(struct net *net, u32 id)
h = id & (FIB_TABLE_HASHSZ - 1);

head = &net->ipv4.fib_table_hash[h];
- hlist_for_each_entry_rcu(tb, head, tb_hlist) {
+ hlist_for_each_entry_rcu(tb, head, tb_hlist,
+ lockdep_rtnl_is_held()) {
if (tb->tb_id == id)
return tb;
}
--
2.22.0.510.g264f2c817a-goog