diff mbox

[-next] dmaengine: stm32-dmamux: Remove unnecessary platform_get_resource() error check

Message ID 1516188430-145326-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State Accepted
Headers show

Commit Message

Wei Yongjun Jan. 17, 2018, 11:27 a.m. UTC
devm_ioremap_resource() already checks if the resource is NULL, so
remove the unnecessary platform_get_resource() error check.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
 drivers/dma/stm32-dmamux.c | 3 ---
 1 file changed, 3 deletions(-)


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Comments

Pierre Yves MORDRET Jan. 18, 2018, 2:42 p.m. UTC | #1
Acked-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>

On 01/17/2018 12:27 PM, Wei Yongjun wrote:
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.
> 
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
>  drivers/dma/stm32-dmamux.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
> index d5db0f6..4dbb30c 100644
> --- a/drivers/dma/stm32-dmamux.c
> +++ b/drivers/dma/stm32-dmamux.c
> @@ -253,9 +253,6 @@ static int stm32_dmamux_probe(struct platform_device *pdev)
>  	}
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res)
> -		return -ENODEV;
> -
>  	iomem = devm_ioremap_resource(&pdev->dev, res);
>  	if (IS_ERR(iomem))
>  		return PTR_ERR(iomem);
> 
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Vinod Koul Jan. 19, 2018, 5:38 a.m. UTC | #2
On Wed, Jan 17, 2018 at 11:27:10AM +0000, Wei Yongjun wrote:
> devm_ioremap_resource() already checks if the resource is NULL, so
> remove the unnecessary platform_get_resource() error check.

Applied, thanks
diff mbox

Patch

diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32-dmamux.c
index d5db0f6..4dbb30c 100644
--- a/drivers/dma/stm32-dmamux.c
+++ b/drivers/dma/stm32-dmamux.c
@@ -253,9 +253,6 @@  static int stm32_dmamux_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
 	iomem = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(iomem))
 		return PTR_ERR(iomem);