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Message-ID: <461D04DB.80001@garzik.org> Date: Wed, 11 Apr 2007 11:55:07 -0400 From: Jeff Garzik <jeff@...zik.org> To: divy@...lsio.com CC: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, swise@...ngridcomputing.com Subject: Re: [PATCH 2.6.21 1/3] cxgb3 - avoid deadlock with mac watchdog divy@...lsio.com wrote: > From: Divy Le Ray <divy@...lsio.com> > > 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@...lsio.com> > --- > > 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 26240fd..c6ebe25 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 adapte > { > 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); applied 1-3 - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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