ipv4/fib: use synchronize_net() when holding RTNL

tnode_free() should use synchronize_net()
instead of syncronize_rcu() to release RTNL sooner.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 3ff35f811765591638c5e03d9211138ca6df3603..0fc7ab5832d1ae00e33fdf6fad4ef379c7d0bd4d 100644 (file)
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -501,7 +501,7 @@ static void tnode_free(struct key_vector *tn)
 
        if (tnode_free_size >= READ_ONCE(sysctl_fib_sync_mem)) {
                tnode_free_size = 0;
-               synchronize_rcu();
+               synchronize_net();
        }
 }