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[PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

Started byColin King <colin.king@canonical.com>
First post2017-01-31 17:00 +0100
Last post2017-02-02 10:50 +0100
Articles 4 — 4 participants

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  [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check Colin King <colin.king@canonical.com> - 2017-01-31 17:00 +0100
    Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error  return check Richard Weinberger <richard@nod.at> - 2017-01-31 17:50 +0100
    Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error  return check Marek Vasut <marek.vasut@gmail.com> - 2017-01-31 20:50 +0100
    Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error  return check Cyrille Pitchen <cyrille.pitchen@atmel.com> - 2017-02-02 10:50 +0100

#1570842 — [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

FromColin King <colin.king@canonical.com>
Date2017-01-31 17:00 +0100
Subject[PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check
Message-ID<t5J0B-2tO-5@gated-at.bofh.it>
From: Colin Ian King <colin.king@canonical.com>

Checking for ret < 0 is redundant because a previous check on ret
being non-zero already handles the ret < 0 case. Remove the redundant
code. Found by CoverityScan, CID#1398863, CID#1398864

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/mtd/spi-nor/cadence-quadspi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
index 3fb7be8..9f8102d 100644
--- a/drivers/mtd/spi-nor/cadence-quadspi.c
+++ b/drivers/mtd/spi-nor/cadence-quadspi.c
@@ -893,7 +893,7 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
 	if (ret)
 		return ret;
 
-	return (ret < 0) ? ret : len;
+	return len;
 }
 
 static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
@@ -913,7 +913,7 @@ static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
 	if (ret)
 		return ret;
 
-	return (ret < 0) ? ret : len;
+	return len;
 }
 
 static int cqspi_erase(struct spi_nor *nor, loff_t offs)
-- 
2.10.2

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#1570890 — Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

FromRichard Weinberger <richard@nod.at>
Date2017-01-31 17:50 +0100
SubjectRe: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check
Message-ID<t5JMZ-2ZV-1@gated-at.bofh.it>
In reply to#1570842
Am 31.01.2017 um 16:53 schrieb Colin King:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Checking for ret < 0 is redundant because a previous check on ret
> being non-zero already handles the ret < 0 case. Remove the redundant
> code. Found by CoverityScan, CID#1398863, CID#1398864
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Reviewed-by: Richard Weinberger <richard@nod.at>

Thanks,
//richard

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#1571039 — Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

FromMarek Vasut <marek.vasut@gmail.com>
Date2017-01-31 20:50 +0100
SubjectRe: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check
Message-ID<t5MBd-4Gh-25@gated-at.bofh.it>
In reply to#1570842
On 01/31/2017 04:53 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> Checking for ret < 0 is redundant because a previous check on ret
> being non-zero already handles the ret < 0 case. Remove the redundant
> code. Found by CoverityScan, CID#1398863, CID#1398864
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Acked-by: Marek Vasut <marek.vasut@gmail.com>

Thanks

> ---
>  drivers/mtd/spi-nor/cadence-quadspi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
> index 3fb7be8..9f8102d 100644
> --- a/drivers/mtd/spi-nor/cadence-quadspi.c
> +++ b/drivers/mtd/spi-nor/cadence-quadspi.c
> @@ -893,7 +893,7 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
>  	if (ret)
>  		return ret;
>  
> -	return (ret < 0) ? ret : len;
> +	return len;
>  }
>  
>  static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
> @@ -913,7 +913,7 @@ static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
>  	if (ret)
>  		return ret;
>  
> -	return (ret < 0) ? ret : len;
> +	return len;
>  }
>  
>  static int cqspi_erase(struct spi_nor *nor, loff_t offs)
> 


-- 
Best regards,
Marek Vasut

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#1572225 — Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

FromCyrille Pitchen <cyrille.pitchen@atmel.com>
Date2017-02-02 10:50 +0100
SubjectRe: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check
Message-ID<t6mbD-26H-11@gated-at.bofh.it>
In reply to#1570842
Le 31/01/2017 à 16:53, Colin King a écrit :
> From: Colin Ian King <colin.king@canonical.com>
> 
> Checking for ret < 0 is redundant because a previous check on ret
> being non-zero already handles the ret < 0 case. Remove the redundant
> code. Found by CoverityScan, CID#1398863, CID#1398864
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Applied to the github spi-nor tree.

Thanks!
> ---
>  drivers/mtd/spi-nor/cadence-quadspi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
> index 3fb7be8..9f8102d 100644
> --- a/drivers/mtd/spi-nor/cadence-quadspi.c
> +++ b/drivers/mtd/spi-nor/cadence-quadspi.c
> @@ -893,7 +893,7 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
>  	if (ret)
>  		return ret;
>  
> -	return (ret < 0) ? ret : len;
> +	return len;
>  }
>  
>  static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
> @@ -913,7 +913,7 @@ static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
>  	if (ret)
>  		return ret;
>  
> -	return (ret < 0) ? ret : len;
> +	return len;
>  }
>  
>  static int cqspi_erase(struct spi_nor *nor, loff_t offs)
> 

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