Hello,

On Monday, September 24, 2012 8:18 AM Sachin Kamat wrote:
 
> devm_kzalloc() makes error handling and cleanup simpler.
> 
> Signed-off-by: Sachin Kamat <sachin.ka...@linaro.org>

Acked-by: Marek Szyprowski <m.szyprow...@samsung.com>

> ---
>  drivers/media/platform/mem2mem_testdev.c |    7 ++-----
>  1 files changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/media/platform/mem2mem_testdev.c
> b/drivers/media/platform/mem2mem_testdev.c
> index f7d15ec..cd1c844 100644
> --- a/drivers/media/platform/mem2mem_testdev.c
> +++ b/drivers/media/platform/mem2mem_testdev.c
> @@ -1019,7 +1019,7 @@ static int m2mtest_probe(struct platform_device *pdev)
>       struct video_device *vfd;
>       int ret;
> 
> -     dev = kzalloc(sizeof(*dev), GFP_KERNEL);
> +     dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
>       if (!dev)
>               return -ENOMEM;
> 
> @@ -1027,7 +1027,7 @@ static int m2mtest_probe(struct platform_device *pdev)
> 
>       ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
>       if (ret)
> -             goto free_dev;
> +             return ret;
> 
>       atomic_set(&dev->num_inst, 0);
>       mutex_init(&dev->dev_mutex);
> @@ -1073,8 +1073,6 @@ rel_vdev:
>       video_device_release(vfd);
>  unreg_dev:
>       v4l2_device_unregister(&dev->v4l2_dev);
> -free_dev:
> -     kfree(dev);
> 
>       return ret;
>  }
> @@ -1089,7 +1087,6 @@ static int m2mtest_remove(struct platform_device *pdev)
>       del_timer_sync(&dev->timer);
>       video_unregister_device(dev->vfd);
>       v4l2_device_unregister(&dev->v4l2_dev);
> -     kfree(dev);
> 
>       return 0;
>  }
> --
> 1.7.4.1

Best regards
-- 
Marek Szyprowski
Samsung Poland R&D Center


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