linux-kernel - [PATCH] spi: stm32: fix excluded

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Date:   Wed, 14 Jul 2021 03:10:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alain Volmat <alain.volmat@...s.st.com>
Cc:     kbuild-all@...ts.01.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Mark Brown <broonie@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-spi@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] spi: stm32: fix excluded_middle.cocci warnings

From: kernel test robot <lkp@...el.com>

drivers/spi/spi-stm32.c:915:23-25: WARNING !A || A && B is equivalent to !A || B


 Condition !A || A && B is equivalent to !A || B.

Generated by: scripts/coccinelle/misc/excluded_middle.cocci

Fixes: 7ceb0b8a3ced ("spi: stm32: finalize message either on dma callback or EOT")
CC: Alain Volmat <alain.volmat@...s.st.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   8f0df15bafc1e1c92b6d96bf8ef24dd8be3aec7b
commit: 7ceb0b8a3ceddc36ae4ef1cba6c25a0e28ed65fc [1012/1340] spi: stm32: finalize message either on dma callback or EOT
:::::: branch date: 11 hours ago
:::::: commit date: 2 days ago

 spi-stm32.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -912,8 +912,7 @@ static irqreturn_t stm32h7_spi_irq_threa
 		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;
 	}