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[v1,4/4] dmaengine: consistently return string literal from switch-case

Message ID 20200226101842.29426-4-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Headers show
Series [v1,1/4] dmaengine: Refactor dmaengine_check_align() to be bit operations only | expand

Commit Message

Andy Shevchenko Feb. 26, 2020, 10:18 a.m. UTC
There is no need to have 'break;' statement in the default case followed by
return certain string literal when all other cases have returned the string
literals. So, refactor it accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 include/linux/dmaengine.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Peter Ujfalusi Feb. 26, 2020, 12:35 p.m. UTC | #1
Hi Andy,

On 2/26/20 12:18 PM, Andy Shevchenko wrote:
> There is no need to have 'break;' statement in the default case followed by
> return certain string literal when all other cases have returned the string
> literals. So, refactor it accordingly.

Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  include/linux/dmaengine.h | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
> index 1bb5477ef7ec..d3672f065a64 100644
> --- a/include/linux/dmaengine.h
> +++ b/include/linux/dmaengine.h
> @@ -1560,9 +1560,7 @@ dmaengine_get_direction_text(enum dma_transfer_direction dir)
>  	case DMA_DEV_TO_DEV:
>  		return "DEV_TO_DEV";
>  	default:
> -		break;
> +		return "invalid";
>  	}
> -
> -	return "invalid";
>  }
>  #endif /* DMAENGINE_H */
> 

- Péter

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Patch

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 1bb5477ef7ec..d3672f065a64 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -1560,9 +1560,7 @@  dmaengine_get_direction_text(enum dma_transfer_direction dir)
 	case DMA_DEV_TO_DEV:
 		return "DEV_TO_DEV";
 	default:
-		break;
+		return "invalid";
 	}
-
-	return "invalid";
 }
 #endif /* DMAENGINE_H */