diff mbox

[v2] drivers/media/platform/s5p-tv/sdo_drv.c: fix error return code

Message ID 1346920709-8711-1-git-send-email-peter.senna@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Senna Tschudin Sept. 6, 2012, 8:38 a.m. UTC
From: Peter Senna Tschudin <peter.senna@gmail.com>

Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}

// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>

---
 drivers/media/platform/s5p-tv/sdo_drv.c |    3 +++
 1 file changed, 3 insertions(+)


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Comments

Tomasz Stanislawski Sept. 24, 2012, 9:16 a.m. UTC | #1
Hi.

On 09/06/2012 10:38 AM, Peter Senna Tschudin wrote:
> From: Peter Senna Tschudin <peter.senna@gmail.com>
> 
> Convert a nonnegative error return code to a negative one, as returned
> elsewhere in the function.
> 
> A simplified version of the semantic match that finds this problem is as
> follows: (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> (
> if@p1 (\(ret < 0\|ret != 0\))
>  { ... return ret; }
> |
> ret@p1 = 0
> )
> ... when != ret = e1
>     when != &ret
> *if(...)
> {
>   ... when != ret = e2
>       when forall
>  return ret;
> }
> 
> // </smpl>
> 
> Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>

Acked-by: Tomasz Stanislawski <t.stanislaws@samsung.com>

> 
> ---
>  drivers/media/platform/s5p-tv/sdo_drv.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c b/drivers/media/platform/s5p-tv/sdo_drv.c
> index ad68bbe..58cf56d 100644
> --- a/drivers/media/platform/s5p-tv/sdo_drv.c
> +++ b/drivers/media/platform/s5p-tv/sdo_drv.c
> @@ -369,6 +369,7 @@ static int __devinit sdo_probe(struct platform_device *pdev)
>  	sdev->fout_vpll = clk_get(dev, "fout_vpll");
>  	if (IS_ERR_OR_NULL(sdev->fout_vpll)) {
>  		dev_err(dev, "failed to get clock 'fout_vpll'\n");
> +		ret = -ENXIO;
>  		goto fail_dacphy;
>  	}
>  	dev_info(dev, "fout_vpll.rate = %lu\n", clk_get_rate(sclk_vpll));
> @@ -377,11 +378,13 @@ static int __devinit sdo_probe(struct platform_device *pdev)
>  	sdev->vdac = devm_regulator_get(dev, "vdd33a_dac");
>  	if (IS_ERR_OR_NULL(sdev->vdac)) {
>  		dev_err(dev, "failed to get regulator 'vdac'\n");
> +		ret = -ENXIO;
>  		goto fail_fout_vpll;
>  	}
>  	sdev->vdet = devm_regulator_get(dev, "vdet");
>  	if (IS_ERR_OR_NULL(sdev->vdet)) {
>  		dev_err(dev, "failed to get regulator 'vdet'\n");
> +		ret = -ENXIO;
>  		goto fail_fout_vpll;
>  	}
>  
> 
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diff mbox

Patch

diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c b/drivers/media/platform/s5p-tv/sdo_drv.c
index ad68bbe..58cf56d 100644
--- a/drivers/media/platform/s5p-tv/sdo_drv.c
+++ b/drivers/media/platform/s5p-tv/sdo_drv.c
@@ -369,6 +369,7 @@  static int __devinit sdo_probe(struct platform_device *pdev)
 	sdev->fout_vpll = clk_get(dev, "fout_vpll");
 	if (IS_ERR_OR_NULL(sdev->fout_vpll)) {
 		dev_err(dev, "failed to get clock 'fout_vpll'\n");
+		ret = -ENXIO;
 		goto fail_dacphy;
 	}
 	dev_info(dev, "fout_vpll.rate = %lu\n", clk_get_rate(sclk_vpll));
@@ -377,11 +378,13 @@  static int __devinit sdo_probe(struct platform_device *pdev)
 	sdev->vdac = devm_regulator_get(dev, "vdd33a_dac");
 	if (IS_ERR_OR_NULL(sdev->vdac)) {
 		dev_err(dev, "failed to get regulator 'vdac'\n");
+		ret = -ENXIO;
 		goto fail_fout_vpll;
 	}
 	sdev->vdet = devm_regulator_get(dev, "vdet");
 	if (IS_ERR_OR_NULL(sdev->vdet)) {
 		dev_err(dev, "failed to get regulator 'vdet'\n");
+		ret = -ENXIO;
 		goto fail_fout_vpll;
 	}