[PATCH 4/9] ipv4: add lockdep condition to fix for_each_entry (v1)

["Joel Fernandes (Google)" <joel@xxxxxxxxxxxxxxxxx>]

Using the previous support added, use it for adding lockdep conditions
to list usage here.

Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
---
 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 317339cd7f03..26b0fb24e2c2 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -124,7 +124,8 @@ 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