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* [PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable
@ 2017-06-01 10:58 Arvind Yadav
  2017-06-07  7:32 ` Boris Brezillon
  0 siblings, 1 reply; 2+ messages in thread
From: Arvind Yadav @ 2017-06-01 10:58 UTC (permalink / raw)
  To: boris.brezillon, richard, dwmw2, computersforpeace, marek.vasut,
	cyrille.pitchen
  Cc: linux-mtd, linux-kernel

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/mtd/nand/orion_nand.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index f8e463a..209170e 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -166,7 +166,11 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 		}
 	}
 
-	clk_prepare_enable(info->clk);
+	ret = clk_prepare_enable(info->clk);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to prepare clock!\n");
+		return ret;
+	}
 
 	ret = nand_scan(mtd, 1);
 	if (ret)
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable
  2017-06-01 10:58 [PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable Arvind Yadav
@ 2017-06-07  7:32 ` Boris Brezillon
  0 siblings, 0 replies; 2+ messages in thread
From: Boris Brezillon @ 2017-06-07  7:32 UTC (permalink / raw)
  To: Arvind Yadav
  Cc: richard, dwmw2, computersforpeace, marek.vasut, cyrille.pitchen,
	linux-mtd, linux-kernel

On Thu,  1 Jun 2017 16:28:15 +0530
Arvind Yadav <arvind.yadav.cs@gmail.com> wrote:

> clk_prepare_enable() can fail here and we must check its return value.
> 

Applied.

Thanks,

Boris

> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
>  drivers/mtd/nand/orion_nand.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
> index f8e463a..209170e 100644
> --- a/drivers/mtd/nand/orion_nand.c
> +++ b/drivers/mtd/nand/orion_nand.c
> @@ -166,7 +166,11 @@ static int __init orion_nand_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> -	clk_prepare_enable(info->clk);
> +	ret = clk_prepare_enable(info->clk);
> +	if (ret) {
> +		dev_err(&pdev->dev, "failed to prepare clock!\n");
> +		return ret;
> +	}
>  
>  	ret = nand_scan(mtd, 1);
>  	if (ret)

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-06-01 10:58 [PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable Arvind Yadav
2017-06-07  7:32 ` Boris Brezillon

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