Nouveau - Jan 2020 - [PATCH] drm/nouveau: use NULL for pointer assignment.

Replace the use of 0 in the pointer assignment with NULL to address the
following sparse warning:
drivers/gpu/drm/nouveau/nouveau_hwmon.c:744:29: warning: Using plain integer as
NULL pointer

Signed-off-by: Wambui Karuga <wambui.karugax at gmail.com>
---
 drivers/gpu/drm/nouveau/nouveau_hwmon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
index d445c6f3fece..1c3104d20571 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
@@ -741,7 +741,7 @@ nouveau_hwmon_init(struct drm_device *dev)
 			special_groups[i++] = &pwm_fan_sensor_group;
 	}
 
-	special_groups[i] = 0;
+	special_groups[i] = NULL;
 	hwmon_dev = hwmon_device_register_with_info(dev->dev, "nouveau",
dev,
 							&nouveau_chip_info,
 							special_groups);
-- 
2.17.1

On Tue, Dec 31, 2019 at 11:57:34PM +0300, Wambui Karuga
wrote:
> Replace the use of 0 in the pointer assignment with NULL to address the
> following sparse warning:
> drivers/gpu/drm/nouveau/nouveau_hwmon.c:744:29: warning: Using plain
integer as NULL pointer
> 
> Signed-off-by: Wambui Karuga <wambui.karugax at gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

I'll check with Ben next week or so whether he wants to pick these up or
whether I should stuff them into drm-misc-next.
-Daniel
> ---
>  drivers/gpu/drm/nouveau/nouveau_hwmon.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> index d445c6f3fece..1c3104d20571 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> @@ -741,7 +741,7 @@ nouveau_hwmon_init(struct drm_device *dev)
>  			special_groups[i++] = &pwm_fan_sensor_group;
>  	}
>  
> -	special_groups[i] = 0;
> +	special_groups[i] = NULL;
>  	hwmon_dev = hwmon_device_register_with_info(dev->dev,
"nouveau", dev,
>  							&nouveau_chip_info,
>  							special_groups);
> -- 
> 2.17.1
> 
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

On Thu, 2 Jan 2020 at 04:51, Daniel Vetter <daniel at ffwll.ch>
wrote:
>
> On Tue, Dec 31, 2019 at 11:57:34PM +0300, Wambui Karuga wrote:
> > Replace the use of 0 in the pointer assignment with NULL to address
the
> > following sparse warning:
> > drivers/gpu/drm/nouveau/nouveau_hwmon.c:744:29: warning: Using plain
integer as NULL pointer
> >
> > Signed-off-by: Wambui Karuga <wambui.karugax at gmail.com>
>
> Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>
> I'll check with Ben next week or so whether he wants to pick these up
or
> whether I should stuff them into drm-misc-next.
I'll grab them.

Ben.
> -Daniel
>
> > ---
> >  drivers/gpu/drm/nouveau/nouveau_hwmon.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> > index d445c6f3fece..1c3104d20571 100644
> > --- a/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> > +++ b/drivers/gpu/drm/nouveau/nouveau_hwmon.c
> > @@ -741,7 +741,7 @@ nouveau_hwmon_init(struct drm_device *dev)
> >                       special_groups[i++] = &pwm_fan_sensor_group;
> >       }
> >
> > -     special_groups[i] = 0;
> > +     special_groups[i] = NULL;
> >       hwmon_dev = hwmon_device_register_with_info(dev->dev,
"nouveau", dev,
> >                                                      
&nouveau_chip_info,
> >                                                       special_groups);
> > --
> > 2.17.1
> >
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
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