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* [PATCH linux-next] spi-stm32: fix Coccinelle warnings
@ 2021-08-20  3:19 CGEL
  2021-08-20  6:32 ` Alain Volmat
  0 siblings, 1 reply; 2+ messages in thread
From: CGEL @ 2021-08-20  3:19 UTC (permalink / raw)
  To: Alain Volmat
  Cc: Mark Brown, Maxime Coquelin, Alexandre Torgue, linux-spi,
	linux-stm32, linux-arm-kernel, linux-kernel, jing yangyang,
	Zeal Robot

From: jing yangyang <jing.yangyang@zte.com.cn>

WARNING !A || A && B is equivalent to !A || B

This issue was detected with the help of Coccinelle.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: jing yangyang <jing.yangyang@zte.com.cn>
---
 drivers/spi/spi-stm32.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 14ca7ea..cc4a731 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -912,8 +912,8 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id)
 		if (!spi->cur_usedma && (spi->rx_buf && (spi->rx_len > 0)))
 			stm32h7_spi_read_rxfifo(spi);
 		if (!spi->cur_usedma ||
-		    (spi->cur_usedma && (spi->cur_comm == SPI_SIMPLEX_TX ||
-		     spi->cur_comm == SPI_3WIRE_TX)))
+			(spi->cur_comm == SPI_SIMPLEX_TX ||
+			spi->cur_comm == SPI_3WIRE_TX))
 			end = true;
 	}
 
-- 
1.8.3.1



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

* Re: [PATCH linux-next] spi-stm32: fix Coccinelle warnings
  2021-08-20  3:19 [PATCH linux-next] spi-stm32: fix Coccinelle warnings CGEL
@ 2021-08-20  6:32 ` Alain Volmat
  0 siblings, 0 replies; 2+ messages in thread
From: Alain Volmat @ 2021-08-20  6:32 UTC (permalink / raw)
  To: CGEL
  Cc: Mark Brown, Maxime Coquelin, Alexandre Torgue, linux-spi,
	linux-stm32, linux-arm-kernel, linux-kernel, jing yangyang,
	Zeal Robot

Hi,

thanks for the patch. We've had this issue reported previously with a patch
provided at
(https://lore.kernel.org/linux-spi/20210713191004.GA14729@5eb5c2cbef84/).
I've put my reviewed-by so it should make its way to the linux-next soon.

Regards,
Alain

On Thu, Aug 19, 2021 at 08:19:52PM -0700, CGEL wrote:
> From: jing yangyang <jing.yangyang@zte.com.cn>
> 
> WARNING !A || A && B is equivalent to !A || B
> 
> This issue was detected with the help of Coccinelle.
> 
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: jing yangyang <jing.yangyang@zte.com.cn>
> ---
>  drivers/spi/spi-stm32.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
> index 14ca7ea..cc4a731 100644
> --- a/drivers/spi/spi-stm32.c
> +++ b/drivers/spi/spi-stm32.c
> @@ -912,8 +912,8 @@ static irqreturn_t stm32h7_spi_irq_thread(int irq, void *dev_id)
>  		if (!spi->cur_usedma && (spi->rx_buf && (spi->rx_len > 0)))
>  			stm32h7_spi_read_rxfifo(spi);
>  		if (!spi->cur_usedma ||
> -		    (spi->cur_usedma && (spi->cur_comm == SPI_SIMPLEX_TX ||
> -		     spi->cur_comm == SPI_3WIRE_TX)))
> +			(spi->cur_comm == SPI_SIMPLEX_TX ||
> +			spi->cur_comm == SPI_3WIRE_TX))
>  			end = true;
>  	}
>  
> -- 
> 1.8.3.1
> 
> 

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

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