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* [PATCH 2/6] staging: vt6656:  sparse fixes: device_get_stats
@ 2014-01-13 16:18 Malcolm Priestley
  2014-01-13 23:42 ` Greg KH
  0 siblings, 1 reply; 3+ messages in thread
From: Malcolm Priestley @ 2014-01-13 16:18 UTC (permalink / raw)
  To: gregkh; +Cc: linux-wireless

sparse warning
main_usb.c:1442:44: warning: cast removes address space of expression

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
---
 drivers/staging/vt6656/main_usb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 4cb7aa7..59c2430 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1418,8 +1418,9 @@ static void device_set_multi(struct net_device *dev)
 static struct net_device_stats *device_get_stats(struct net_device *dev)
 {
 	struct vnt_private *pDevice = netdev_priv(dev);
+	struct net_device_stats *stats = &pDevice->stats;
 
-	return &pDevice->stats;
+	return stats;
 }
 
 static int device_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-- 
1.8.5.2



^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/6] staging: vt6656:  sparse fixes: device_get_stats
  2014-01-13 16:18 [PATCH 2/6] staging: vt6656: sparse fixes: device_get_stats Malcolm Priestley
@ 2014-01-13 23:42 ` Greg KH
  2014-01-14 20:26   ` Malcolm Priestley
  0 siblings, 1 reply; 3+ messages in thread
From: Greg KH @ 2014-01-13 23:42 UTC (permalink / raw)
  To: Malcolm Priestley; +Cc: linux-wireless

On Mon, Jan 13, 2014 at 04:18:50PM +0000, Malcolm Priestley wrote:
> sparse warning
> main_usb.c:1442:44: warning: cast removes address space of expression
> 
> Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
> ---
>  drivers/staging/vt6656/main_usb.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
> index 4cb7aa7..59c2430 100644
> --- a/drivers/staging/vt6656/main_usb.c
> +++ b/drivers/staging/vt6656/main_usb.c
> @@ -1418,8 +1418,9 @@ static void device_set_multi(struct net_device *dev)
>  static struct net_device_stats *device_get_stats(struct net_device *dev)
>  {
>  	struct vnt_private *pDevice = netdev_priv(dev);
> +	struct net_device_stats *stats = &pDevice->stats;
>  
> -	return &pDevice->stats;
> +	return stats;

This change makes no sense to me.  Why is sparse complaining about this?

Is this a bug in sparse, or am I missing something obvious here?

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 2/6] staging: vt6656:  sparse fixes: device_get_stats
  2014-01-13 23:42 ` Greg KH
@ 2014-01-14 20:26   ` Malcolm Priestley
  0 siblings, 0 replies; 3+ messages in thread
From: Malcolm Priestley @ 2014-01-14 20:26 UTC (permalink / raw)
  To: Greg KH; +Cc: linux-wireless

On Mon, 2014-01-13 at 15:42 -0800, Greg KH wrote:
> On Mon, Jan 13, 2014 at 04:18:50PM +0000, Malcolm Priestley wrote:
> > sparse warning
> > main_usb.c:1442:44: warning: cast removes address space of expression
> > 
> > Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
> > ---
> >  drivers/staging/vt6656/main_usb.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
> > index 4cb7aa7..59c2430 100644
> > --- a/drivers/staging/vt6656/main_usb.c
> > +++ b/drivers/staging/vt6656/main_usb.c
> > @@ -1418,8 +1418,9 @@ static void device_set_multi(struct net_device *dev)
> >  static struct net_device_stats *device_get_stats(struct net_device *dev)
> >  {
> >  	struct vnt_private *pDevice = netdev_priv(dev);
> > +	struct net_device_stats *stats = &pDevice->stats;
> >  
> > -	return &pDevice->stats;
> > +	return stats;
> 
> This change makes no sense to me.  Why is sparse complaining about this?
> 
> Is this a bug in sparse, or am I missing something obvious here?
Yes me!!!

Sorry. that is not line 1442, a case of number dyslexia.

That is fixed in the next patch.

Malcolm



^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-01-14 20:26 UTC | newest]

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2014-01-13 16:18 [PATCH 2/6] staging: vt6656: sparse fixes: device_get_stats Malcolm Priestley
2014-01-13 23:42 ` Greg KH
2014-01-14 20:26   ` Malcolm Priestley

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