br_manage_promisc() incorrectly expects br_auto_port() to return only 0 or 1, while it actually returns flags, i.e., a subset of BR_AUTO_MASK. Signed-off-by: Toshiaki Makita <makita.toshiaki@xxxxxxxxxxxxx> --- net/bridge/br_if.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index a08d2b8..3eca3fd 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -153,7 +153,8 @@ void br_manage_promisc(struct net_bridge *br) * This lets us disable promiscuous mode and write * this config to hw. */ - if (br->auto_cnt <= br_auto_port(p)) + if (br->auto_cnt == 0 || + (br->auto_cnt == 1 && br_auto_port(p))) br_port_clear_promisc(p); else br_port_set_promisc(p); -- 1.8.1.2