[PATCH linux-next] spi-stm32: fix Coccinelle warnings

Subsystems: spi subsystem, st stm32 spi driver, the rest

STALE1823d

2 messages, 2 authors, 2021-08-20 · open the first message on its own page

[PATCH linux-next] spi-stm32: fix Coccinelle warnings

From: CGEL <hidden>
Date: 2021-08-20 03:20:05

From: jing yangyang <redacted>

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

This issue was detected with the help of Coccinelle.

Reported-by: Zeal Robot <redacted>
Signed-off-by: jing yangyang <redacted>
---
 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



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Re: [PATCH linux-next] spi-stm32: fix Coccinelle warnings

From: Alain Volmat <alain.volmat@foss.st.com>
Date: 2021-08-20 06:32:33

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:
quoted hunk
From: jing yangyang <redacted>

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

This issue was detected with the help of Coccinelle.

Reported-by: Zeal Robot <redacted>
Signed-off-by: jing yangyang <redacted>
---
 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
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help