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Commit f2d961c9 authored by Divy Le Ray's avatar Divy Le Ray Committed by Jeff Garzik
Browse files

cxgb3 - avoid deadlock with mac watchdog 



Fix a deadlock when the interface s configured down and
the watchdog tack is sleeping on rtnl_lock.

Signed-off-by: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 692412b3

drivers/net/cxgb3/cxgb3_main.c

+3 −1
Original line number Diff line number Diff line
@@ -2119,7 +2119,9 @@ static void check_t3b2_mac(struct adapter *adapter) 
{

	int i;



	rtnl_lock();                      /* synchronize with ifdown */

	if (!rtnl_trylock())	/* synchronize with ifdown */

		return;



	for_each_port(adapter, i) {

		struct net_device *dev = adapter->port[i];

		struct port_info *p = netdev_priv(dev);