diff options
| author | Divy Le Ray <divy@chelsio.com> | 2007-04-09 20:10:22 -0700 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-04-11 11:54:43 -0400 |
| commit | f2d961c9827bab4b64a1b4ea30c68cf5ab2b2330 (patch) | |
| tree | 6e3b2917ff1fa6a2ca726c781792dcb8907f7ab2 /drivers/net/cxgb3 | |
| parent | 692412b31ffb5df00197ea591dd635fc07506c02 (diff) | |
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: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/cxgb3')
| -rw-r--r-- | drivers/net/cxgb3/cxgb3_main.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c index 26240fd5e76..c6ebe25464c 100644 --- a/drivers/net/cxgb3/cxgb3_main.c +++ b/drivers/net/cxgb3/cxgb3_main.c @@ -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); |