From aa7c6e5fa08bb5014b6432a690d28748f11e93fc Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Tue, 24 Aug 2010 13:12:56 +0000 Subject: [PATCH] bridge: avoid ethtool on non running interface If bridge port is offline, don't call ethtool to query speed. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/bridge/br_if.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 170794546522..89ad25a76202 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -67,20 +67,21 @@ void br_port_carrier_check(struct net_bridge_port *p) struct net_device *dev = p->dev; struct net_bridge *br = p->br; - if (netif_carrier_ok(dev)) + if (netif_running(dev) && netif_carrier_ok(dev)) p->path_cost = port_cost(dev); - if (netif_running(br->dev)) { - spin_lock_bh(&br->lock); - if (netif_carrier_ok(dev)) { - if (p->state == BR_STATE_DISABLED) - br_stp_enable_port(p); - } else { - if (p->state != BR_STATE_DISABLED) - br_stp_disable_port(p); - } - spin_unlock_bh(&br->lock); + if (!netif_running(br->dev)) + return; + + spin_lock_bh(&br->lock); + if (netif_running(dev) && netif_carrier_ok(dev)) { + if (p->state == BR_STATE_DISABLED) + br_stp_enable_port(p); + } else { + if (p->state != BR_STATE_DISABLED) + br_stp_disable_port(p); } + spin_unlock_bh(&br->lock); } static void release_nbp(struct kobject *kobj)