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Joe Perches

2010-Nov-05 03:08 UTC

[PATCH 36/49] drivers/video: Use vzalloc

Signed-off-by: Joe Perches <joe at perches.com>
---
 drivers/video/arcfb.c        |    5 ++---
 drivers/video/broadsheetfb.c |    4 +---
 drivers/video/hecubafb.c     |    5 ++---
 drivers/video/metronomefb.c  |    4 +---
 drivers/video/xen-fbfront.c  |    3 +--
 5 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 3ec4923..86573e2 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -515,11 +515,10 @@ static int __devinit arcfb_probe(struct platform_device
*dev)
 
 	/* We need a flat backing store for the Arc's
 	   less-flat actual paged framebuffer */
-	if (!(videomemory = vmalloc(videomemorysize)))
+	videomemory = vmalloc(videomemorysize);
+	if (!videomemory)
 		return retval;
 
-	memset(videomemory, 0, videomemorysize);
-
 	info = framebuffer_alloc(sizeof(struct arcfb_par), &dev->dev);
 	if (!info)
 		goto err;
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index ebda687..377dde3 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -1101,12 +1101,10 @@ static int __devinit broadsheetfb_probe(struct
platform_device *dev)
 
 	videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE);
 
-	videomemory = vmalloc(videomemorysize);
+	videomemory = vzalloc(videomemorysize);
 	if (!videomemory)
 		goto err_fb_rel;
 
-	memset(videomemory, 0, videomemorysize);
-
 	info->screen_base = (char *)videomemory;
 	info->fbops = &broadsheetfb_ops;
 
diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
index c77bcc6..a941e6f 100644
--- a/drivers/video/hecubafb.c
+++ b/drivers/video/hecubafb.c
@@ -231,11 +231,10 @@ static int __devinit hecubafb_probe(struct platform_device
*dev)
 
 	videomemorysize = (DPY_W*DPY_H)/8;
 
-	if (!(videomemory = vmalloc(videomemorysize)))
+	videomemory = vzalloc(videomemorysize);
+	if (!videomemory)
 		return retval;
 
-	memset(videomemory, 0, videomemorysize);
-
 	info = framebuffer_alloc(sizeof(struct hecubafb_par), &dev->dev);
 	if (!info)
 		goto err_fballoc;
diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
index 63ed3b7..c0c358c 100644
--- a/drivers/video/metronomefb.c
+++ b/drivers/video/metronomefb.c
@@ -628,12 +628,10 @@ static int __devinit metronomefb_probe(struct
platform_device *dev)
 	/* we need to add a spare page because our csum caching scheme walks
 	 * to the end of the page */
 	videomemorysize = PAGE_SIZE + (fw * fh);
-	videomemory = vmalloc(videomemorysize);
+	videomemory = vzalloc(videomemorysize);
 	if (!videomemory)
 		goto err_fb_rel;
 
-	memset(videomemory, 0, videomemorysize);
-
 	info->screen_base = (char __force __iomem *)videomemory;
 	info->fbops = &metronomefb_ops;
 
diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
index 428d273..81fcaea 100644
--- a/drivers/video/xen-fbfront.c
+++ b/drivers/video/xen-fbfront.c
@@ -395,10 +395,9 @@ static int __devinit xenfb_probe(struct xenbus_device *dev,
 	spin_lock_init(&info->dirty_lock);
 	spin_lock_init(&info->resize_lock);
 
-	info->fb = vmalloc(fb_size);
+	info->fb = vzalloc(fb_size);
 	if (info->fb == NULL)
 		goto error_nomem;
-	memset(info->fb, 0, fb_size);
 
 	info->nr_pages = (fb_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 
-- 
1.7.3.1.g432b3.dirty

Dave Young

2010-Nov-05 05:27 UTC

head link

[PATCH 36/49] drivers/video: Use vzalloc

On Fri, Nov 5, 2010 at 11:08 AM, Joe Perches <joe at perches.com>
wrote:> Signed-off-by: Joe Perches <joe at perches.com>
> ---
> ?drivers/video/arcfb.c ? ? ? ?| ? ?5 ++---
> ?drivers/video/broadsheetfb.c | ? ?4 +---
> ?drivers/video/hecubafb.c ? ? | ? ?5 ++---
> ?drivers/video/metronomefb.c ?| ? ?4 +---
> ?drivers/video/xen-fbfront.c ?| ? ?3 +--
> ?5 files changed, 7 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
> index 3ec4923..86573e2 100644
> --- a/drivers/video/arcfb.c
> +++ b/drivers/video/arcfb.c
> @@ -515,11 +515,10 @@ static int __devinit arcfb_probe(struct
platform_device *dev)
>
> ? ? ? ?/* We need a flat backing store for the Arc's
> ? ? ? ? ? less-flat actual paged framebuffer */
> - ? ? ? if (!(videomemory = vmalloc(videomemorysize)))
> + ? ? ? videomemory = vmalloc(videomemorysize);
typo?
> + ? ? ? if (!videomemory)
> ? ? ? ? ? ? ? ?return retval;
>
> - ? ? ? memset(videomemory, 0, videomemorysize);
> -
> ? ? ? ?info = framebuffer_alloc(sizeof(struct arcfb_par),
&dev->dev);
> ? ? ? ?if (!info)
> ? ? ? ? ? ? ? ?goto err;
> diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
> index ebda687..377dde3 100644
> --- a/drivers/video/broadsheetfb.c
> +++ b/drivers/video/broadsheetfb.c
> @@ -1101,12 +1101,10 @@ static int __devinit broadsheetfb_probe(struct
platform_device *dev)
>
> ? ? ? ?videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE);
>
> - ? ? ? videomemory = vmalloc(videomemorysize);
> + ? ? ? videomemory = vzalloc(videomemorysize);
> ? ? ? ?if (!videomemory)
> ? ? ? ? ? ? ? ?goto err_fb_rel;
>
> - ? ? ? memset(videomemory, 0, videomemorysize);
> -
> ? ? ? ?info->screen_base = (char *)videomemory;
> ? ? ? ?info->fbops = &broadsheetfb_ops;
>
> diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
> index c77bcc6..a941e6f 100644
> --- a/drivers/video/hecubafb.c
> +++ b/drivers/video/hecubafb.c
> @@ -231,11 +231,10 @@ static int __devinit hecubafb_probe(struct
platform_device *dev)
>
> ? ? ? ?videomemorysize = (DPY_W*DPY_H)/8;
>
> - ? ? ? if (!(videomemory = vmalloc(videomemorysize)))
> + ? ? ? videomemory = vzalloc(videomemorysize);
> + ? ? ? if (!videomemory)
> ? ? ? ? ? ? ? ?return retval;
>
> - ? ? ? memset(videomemory, 0, videomemorysize);
> -
> ? ? ? ?info = framebuffer_alloc(sizeof(struct hecubafb_par),
&dev->dev);
> ? ? ? ?if (!info)
> ? ? ? ? ? ? ? ?goto err_fballoc;
> diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
> index 63ed3b7..c0c358c 100644
> --- a/drivers/video/metronomefb.c
> +++ b/drivers/video/metronomefb.c
> @@ -628,12 +628,10 @@ static int __devinit metronomefb_probe(struct
platform_device *dev)
> ? ? ? ?/* we need to add a spare page because our csum caching scheme walks
> ? ? ? ? * to the end of the page */
> ? ? ? ?videomemorysize = PAGE_SIZE + (fw * fh);
> - ? ? ? videomemory = vmalloc(videomemorysize);
> + ? ? ? videomemory = vzalloc(videomemorysize);
> ? ? ? ?if (!videomemory)
> ? ? ? ? ? ? ? ?goto err_fb_rel;
>
> - ? ? ? memset(videomemory, 0, videomemorysize);
> -
> ? ? ? ?info->screen_base = (char __force __iomem *)videomemory;
> ? ? ? ?info->fbops = &metronomefb_ops;
>
> diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
> index 428d273..81fcaea 100644
> --- a/drivers/video/xen-fbfront.c
> +++ b/drivers/video/xen-fbfront.c
> @@ -395,10 +395,9 @@ static int __devinit xenfb_probe(struct xenbus_device
*dev,
> ? ? ? ?spin_lock_init(&info->dirty_lock);
> ? ? ? ?spin_lock_init(&info->resize_lock);
>
> - ? ? ? info->fb = vmalloc(fb_size);
> + ? ? ? info->fb = vzalloc(fb_size);
> ? ? ? ?if (info->fb == NULL)
> ? ? ? ? ? ? ? ?goto error_nomem;
> - ? ? ? memset(info->fb, 0, fb_size);
>
> ? ? ? ?info->nr_pages = (fb_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
>
> --
> 1.7.3.1.g432b3.dirty
>
> --
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>


-- 
Regards
dave

Joe Perches

2010-Nov-05 05:31 UTC

head link

[PATCH 36/49] drivers/video: Use vzalloc

On Fri, 2010-11-05 at 13:27 +0800, Dave Young wrote:> On Fri, Nov 5, 2010 at 11:08 AM, Joe Perches <joe at perches.com>
wrote:
> > diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
> > @@ -515,11 +515,10 @@ static int __devinit arcfb_probe(struct
platform_device *dev)
> >
> >        /* We need a flat backing store for the Arc's
> >           less-flat actual paged framebuffer */
> > -       if (!(videomemory = vmalloc(videomemorysize)))
> > +       videomemory = vmalloc(videomemorysize);
> typo?
Yes. Thanks for catching that.

Konrad Rzeszutek Wilk

2010-Nov-08 16:43 UTC

head link

[PATCH 36/49] drivers/video: Use vzalloc

On Thu, Nov 04, 2010 at 08:08:00PM -0700, Joe Perches
wrote:> Signed-off-by: Joe Perches <joe at perches.com>
Looks good on xen-fb.

> ---
>  drivers/video/arcfb.c        |    5 ++---
>  drivers/video/broadsheetfb.c |    4 +---
>  drivers/video/hecubafb.c     |    5 ++---
>  drivers/video/metronomefb.c  |    4 +---
>  drivers/video/xen-fbfront.c  |    3 +--
>  5 files changed, 7 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
> index 3ec4923..86573e2 100644
> --- a/drivers/video/arcfb.c
> +++ b/drivers/video/arcfb.c
> @@ -515,11 +515,10 @@ static int __devinit arcfb_probe(struct
platform_device *dev)
>  
>  	/* We need a flat backing store for the Arc's
>  	   less-flat actual paged framebuffer */
> -	if (!(videomemory = vmalloc(videomemorysize)))
> +	videomemory = vmalloc(videomemorysize);
> +	if (!videomemory)
>  		return retval;
>  
> -	memset(videomemory, 0, videomemorysize);
> -
>  	info = framebuffer_alloc(sizeof(struct arcfb_par), &dev->dev);
>  	if (!info)
>  		goto err;
> diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
> index ebda687..377dde3 100644
> --- a/drivers/video/broadsheetfb.c
> +++ b/drivers/video/broadsheetfb.c
> @@ -1101,12 +1101,10 @@ static int __devinit broadsheetfb_probe(struct
platform_device *dev)
>  
>  	videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE);
>  
> -	videomemory = vmalloc(videomemorysize);
> +	videomemory = vzalloc(videomemorysize);
>  	if (!videomemory)
>  		goto err_fb_rel;
>  
> -	memset(videomemory, 0, videomemorysize);
> -
>  	info->screen_base = (char *)videomemory;
>  	info->fbops = &broadsheetfb_ops;
>  
> diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c
> index c77bcc6..a941e6f 100644
> --- a/drivers/video/hecubafb.c
> +++ b/drivers/video/hecubafb.c
> @@ -231,11 +231,10 @@ static int __devinit hecubafb_probe(struct
platform_device *dev)
>  
>  	videomemorysize = (DPY_W*DPY_H)/8;
>  
> -	if (!(videomemory = vmalloc(videomemorysize)))
> +	videomemory = vzalloc(videomemorysize);
> +	if (!videomemory)
>  		return retval;
>  
> -	memset(videomemory, 0, videomemorysize);
> -
>  	info = framebuffer_alloc(sizeof(struct hecubafb_par), &dev->dev);
>  	if (!info)
>  		goto err_fballoc;
> diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
> index 63ed3b7..c0c358c 100644
> --- a/drivers/video/metronomefb.c
> +++ b/drivers/video/metronomefb.c
> @@ -628,12 +628,10 @@ static int __devinit metronomefb_probe(struct
platform_device *dev)
>  	/* we need to add a spare page because our csum caching scheme walks
>  	 * to the end of the page */
>  	videomemorysize = PAGE_SIZE + (fw * fh);
> -	videomemory = vmalloc(videomemorysize);
> +	videomemory = vzalloc(videomemorysize);
>  	if (!videomemory)
>  		goto err_fb_rel;
>  
> -	memset(videomemory, 0, videomemorysize);
> -
>  	info->screen_base = (char __force __iomem *)videomemory;
>  	info->fbops = &metronomefb_ops;
>  
> diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c
> index 428d273..81fcaea 100644
> --- a/drivers/video/xen-fbfront.c
> +++ b/drivers/video/xen-fbfront.c
> @@ -395,10 +395,9 @@ static int __devinit xenfb_probe(struct xenbus_device
*dev,
>  	spin_lock_init(&info->dirty_lock);
>  	spin_lock_init(&info->resize_lock);
>  
> -	info->fb = vmalloc(fb_size);
> +	info->fb = vzalloc(fb_size);
>  	if (info->fb == NULL)
>  		goto error_nomem;
> -	memset(info->fb, 0, fb_size);
>  
>  	info->nr_pages = (fb_size + PAGE_SIZE - 1) >> PAGE_SHIFT;
>  
> -- 
> 1.7.3.1.g432b3.dirty

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