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| 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 | |
| parent | skge: fix wake on lan (diff) | |
| download | linux-dev-f2d961c9827bab4b64a1b4ea30c68cf5ab2b2330.tar.xz linux-dev-f2d961c9827bab4b64a1b4ea30c68cf5ab2b2330.zip | |
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>
| -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 26240fd5e768..c6ebe25464ca 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); |