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cxgb3 - avoid deadlock with mac watchdog

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

Signed-off-by: Divy Le Ray <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Divy Le Ray 2007-04-09 20:10:22 -07:00 • committed by Jeff Garzik
commit f2d961c982
1 changed files with 3 additions and 1 deletions
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4
drivers/net/cxgb3/cxgb3_main.c
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@ -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);