linux-kernel - Re: [PATCH 1/2] bq2415x_charger: Remove unnecessary else after return

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Date:	Thu, 05 Mar 2015 08:13:17 -0800
From:	Joe Perches <joe@...ches.com>
To:	Anda-Maria Nicolae <anda-maria.nicolae@...el.com>
Cc:	sre@...nel.org, dbaryshkov@...il.com, dwmw2@...radead.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] bq2415x_charger: Remove unnecessary else after
 return

On Thu, 2015-03-05 at 13:23 +0200, Anda-Maria Nicolae wrote:
> Fix coding style to comply with checkpatch.pl

I think these are unnecessary changes.

The current version of checkpatch should not emit
a warning for the original code.

> diff --git a/drivers/power/bq2415x_charger.c b/drivers/power/bq2415x_charger.c
[]
> @@ -352,8 +352,7 @@ static int bq2415x_exec_command(struct bq2415x_device *bq,
>  			BQ2415X_BIT_CE);
>  		if (ret < 0)
>  			return ret;
> -		else
> -			return ret > 0 ? 0 : 1;
> +		return ret > 0 ? 0 : 1;

maybe return !ret

>  	case BQ2415X_CHARGER_ENABLE:
>  		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
>  				0, BQ2415X_BIT_CE);
> @@ -426,20 +425,17 @@ static enum bq2415x_chip bq2415x_detect_chip(struct bq2415x_device *bq)
>  		case 0:
>  			if (bq->chip == BQ24151A)
>  				return bq->chip;
> -			else
> -				return BQ24151;
> +			return BQ24151;
>  		case 1:
>  			if (bq->chip == BQ24150A ||
>  				bq->chip == BQ24152 ||
>  				bq->chip == BQ24155)
>  				return bq->chip;
> -			else
> -				return BQ24150;
> +			return BQ24150;
>  		case 2:
>  			if (bq->chip == BQ24153A)
>  				return bq->chip;
> -			else
> -				return BQ24153;
> +			return BQ24153;
>  		default:
>  			return BQUNKNOWN;
>  		}
> @@ -450,8 +446,7 @@ static enum bq2415x_chip bq2415x_detect_chip(struct bq2415x_device *bq)
>  		case 0:
>  			if (bq->chip == BQ24156A)
>  				return bq->chip;
> -			else
> -				return BQ24156;
> +			return BQ24156;
>  		case 2:
>  			return BQ24158;
>  		default:
> @@ -480,8 +475,7 @@ static int bq2415x_detect_revision(struct bq2415x_device *bq)
>  	case BQ24152:
>  		if (ret >= 0 && ret <= 3)
>  			return ret;
> -		else
> -			return -1;
> +		return -1;
>  	case BQ24153:
>  	case BQ24153A:
>  	case BQ24156:
> @@ -491,13 +485,11 @@ static int bq2415x_detect_revision(struct bq2415x_device *bq)
>  			return 0;
>  		else if (ret == 1)
>  			return 1;
> -		else
> -			return -1;
> +		return -1;
>  	case BQ24155:
>  		if (ret == 3)
>  			return 3;
> -		else
> -			return -1;
> +		return -1;
>  	case BQUNKNOWN:
>  		return -1;
>  	}



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