Re: [PATCH net-next v2 03/14] net: bridge: mcast: avoid sleeping on bridge-down
From: Ido Schimmel <idosch@nvidia.com>
Date: 2026-02-08 11:41:33
Also in:
bridge, lkml
On Fri, Feb 06, 2026 at 03:52:09AM +0100, Linus Lüssing wrote:
quoted hunk ↗ jump to hunk
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index a818fdc22da9..d9d1227d5708 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c@@ -168,7 +168,9 @@ static int br_dev_open(struct net_device *dev) netdev_update_features(dev); netif_start_queue(dev); br_stp_enable_bridge(br); + spin_lock_bh(&br->multicast_lock);
This wouldn't work when CONFIG_BRIDGE_IGMP_SNOOPING is not set
br_multicast_open(br); + spin_unlock_bh(&br->multicast_lock); if (br_opt_get(br, BROPT_MULTICAST_ENABLED)) br_multicast_join_snoopers(br);