Re: [PATCH] dma-buf: heaps: Remove Unneeded variable "ret" in dma_heap_dma_buf_begin_cpu_access()

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Hi Jason,

On Wed, May 06, 2020 at 02:18:51PM +0800, Jason Yan wrote:
> Fix the following coccicheck warning:
> 
> drivers/dma-buf/heaps/heap-helpers.c:203:5-8: Unneeded variable: "ret".
> Return "0" on line 216
> 
> Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>

LGTM.

Reviewed-by: Brian Starkey <brian.starkey@xxxxxxx>

Thanks,
-Brian

> ---
>  drivers/dma-buf/heaps/heap-helpers.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/dma-buf/heaps/heap-helpers.c b/drivers/dma-buf/heaps/heap-helpers.c
> index 9f964ca3f59c..c82872501ba2 100644
> --- a/drivers/dma-buf/heaps/heap-helpers.c
> +++ b/drivers/dma-buf/heaps/heap-helpers.c
> @@ -200,7 +200,6 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
>  {
>  	struct heap_helper_buffer *buffer = dmabuf->priv;
>  	struct dma_heaps_attachment *a;
> -	int ret = 0;
>  
>  	mutex_lock(&buffer->lock);
>  
> @@ -213,7 +212,7 @@ static int dma_heap_dma_buf_begin_cpu_access(struct dma_buf *dmabuf,
>  	}
>  	mutex_unlock(&buffer->lock);
>  
> -	return ret;
> +	return 0;
>  }
>  
>  static int dma_heap_dma_buf_end_cpu_access(struct dma_buf *dmabuf,
> -- 
> 2.21.1
> 
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