linux-kernel - RE: [PATCH 18/25] Staging: hv: Get rid of struct hv

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Date:	Tue, 26 Apr 2011 20:23:25 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...e.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>,
	"Haiyang Zhang" <haiyangz@...rosoft.com>,
	"Abhishek Kane (Mindtree Consulting PVT LTD)" 
	<v-abkane@...rosoft.com>, Hank Janssen <hjanssen@...rosoft.com>
Subject: RE: [PATCH 18/25] Staging: hv: Get rid of struct hv_bus



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...e.de]
> Sent: Tuesday, April 26, 2011 3:41 PM
> To: KY Srinivasan
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org;
> virtualization@...ts.osdl.org; Haiyang Zhang; Abhishek Kane (Mindtree Consulting
> PVT LTD); Hank Janssen
> Subject: Re: [PATCH 18/25] Staging: hv: Get rid of struct hv_bus
> 
> On Tue, Apr 26, 2011 at 09:20:35AM -0700, K. Y. Srinivasan wrote:
> > Now, get rid of struct hv_bus. We will no longer be embedding
> > struct bus_type.
> >
> > Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> > Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> > Signed-off-by: Abhishek Kane <v-abkane@...rosoft.com>
> > Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
> > ---
> >  drivers/staging/hv/vmbus_drv.c |   33 ++++++++++++++-------------------
> >  1 files changed, 14 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
> > index a3a7741..515311c 100644
> > --- a/drivers/staging/hv/vmbus_drv.c
> > +++ b/drivers/staging/hv/vmbus_drv.c
> > @@ -45,11 +45,6 @@ static struct pci_dev *hv_pci_dev;
> >  static struct tasklet_struct msg_dpc;
> >  static struct tasklet_struct event_dpc;
> >
> > -/* Main vmbus driver data structure */
> > -struct hv_bus {
> > -	struct bus_type bus;
> > -};
> > -
> >  unsigned int vmbus_loglevel = (ALL_MODULES << 16 | INFO_LVL);
> >  EXPORT_SYMBOL(vmbus_loglevel);
> >  	/* (ALL_MODULES << 16 | DEBUG_LVL_ENTEREXIT); */
> > @@ -405,14 +400,14 @@ static void vmbus_device_release(struct device
> *device)
> >  }
> >
> >  /* The one and only one */
> > -static struct hv_bus  hv_bus = {
> > -	.bus.name =		"vmbus",
> > -	.bus.match =		vmbus_match,
> > -	.bus.shutdown =		vmbus_shutdown,
> > -	.bus.remove =		vmbus_remove,
> > -	.bus.probe =		vmbus_probe,
> > -	.bus.uevent =		vmbus_uevent,
> > -	.bus.dev_attrs =	vmbus_device_attrs,
> > +static struct bus_type  hv_bus = {
> > +	.name =		"vmbus",
> > +	.match =		vmbus_match,
> > +	.shutdown =		vmbus_shutdown,
> > +	.remove =		vmbus_remove,
> > +	.probe =		vmbus_probe,
> > +	.uevent =		vmbus_uevent,
> > +	.dev_attrs =	vmbus_device_attrs,
> >  };
> >
> >  static const char *driver_name = "hyperv";
> > @@ -550,14 +545,14 @@ static int vmbus_bus_init(struct pci_dev *pdev)
> >  		goto cleanup;
> >  	}
> >
> > -	hv_bus.bus.name = driver_name;
> > +	hv_bus.name = driver_name;
> 
> Why are you setting the name of the bus again?  Shouldn't this line be
> removed?

You are absolutely right. Since this redundancy was in the existing
code, should I send you a separate patch to fix this?

Regards,

K. Y

> 
> thanks,
> 
> greg k-h

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