linux-kernel - RE: [PATCH net] hyperv: Fix the carrier status setting

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Date:	Mon, 10 Feb 2014 15:57:55 +0000
From:	Haiyang Zhang <haiyangz@...rosoft.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	KY Srinivasan <kys@...rosoft.com>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"driverdev-devel@...uxdriverproject.org" 
	<driverdev-devel@...uxdriverproject.org>
Subject: RE: [PATCH net] hyperv: Fix the carrier status setting



> -----Original Message-----
> From: Sergei Shtylyov [mailto:sergei.shtylyov@...entembedded.com]
> Sent: Monday, February 10, 2014 8:29 AM
> To: Haiyang Zhang; davem@...emloft.net; netdev@...r.kernel.org
> Cc: KY Srinivasan; olaf@...fle.de; jasowang@...hat.com; linux-
> kernel@...r.kernel.org; driverdev-devel@...uxdriverproject.org
> Subject: Re: [PATCH net] hyperv: Fix the carrier status setting
> 
> Hello.
> 
> On 10-02-2014 5:07, Haiyang Zhang wrote:
> 
> > Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> > Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>
> > ---
> >   drivers/net/hyperv/netvsc_drv.c |   24 +++++++++++++++---------
> >   1 files changed, 15 insertions(+), 9 deletions(-)
> 
> > diff --git a/drivers/net/hyperv/netvsc_drv.c
> > b/drivers/net/hyperv/netvsc_drv.c index 7756118..836211c 100644
> > --- a/drivers/net/hyperv/netvsc_drv.c
> > +++ b/drivers/net/hyperv/netvsc_drv.c
> [...]
> > @@ -229,15 +238,17 @@ void netvsc_linkstatus_callback(struct hv_device
> *device_obj,
> >   	struct net_device *net;
> >   	struct net_device_context *ndev_ctx;
> >   	struct netvsc_device *net_device;
> > +	struct rndis_device *rdev;
> >
> >   	net_device = hv_get_drvdata(device_obj);
> > +	rdev = net_device->extension;
> > +
> > +	rdev->link_state = !(status == 1);
> 
>     Why not just 'status != 1'?

I will simplify it.
Thanks,
- Haiyang
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