linux-kernel - [PATCH][next] spi: s3c64xx: set pointers to null using NULL rather than 0

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Date:   Sun, 12 Jun 2022 21:34:28 +0100
From:   Colin Ian King <colin.i.king@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andi Shyti <andi@...zian.org>, Mark Brown <broonie@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-spi@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH][next] spi: s3c64xx: set pointers to null using NULL rather than 0

There are pointers being set to null using use. Use NULL instead.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/spi/spi-s3c64xx.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 0ce58105dbac..819b660dae82 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -354,7 +354,7 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
 	sdd->rx_dma.ch = dma_request_chan(&sdd->pdev->dev, "rx");
 	if (IS_ERR(sdd->rx_dma.ch)) {
 		dev_err(&sdd->pdev->dev, "Failed to get RX DMA channel\n");
-		sdd->rx_dma.ch = 0;
+		sdd->rx_dma.ch = NULL;
 		return 0;
 	}
 
@@ -362,8 +362,8 @@ static int s3c64xx_spi_prepare_transfer(struct spi_master *spi)
 	if (IS_ERR(sdd->tx_dma.ch)) {
 		dev_err(&sdd->pdev->dev, "Failed to get TX DMA channel\n");
 		dma_release_channel(sdd->rx_dma.ch);
-		sdd->tx_dma.ch = 0;
-		sdd->rx_dma.ch = 0;
+		sdd->tx_dma.ch = NULL;
+		sdd->rx_dma.ch = NULL;
 		return 0;
 	}
 
@@ -808,8 +808,8 @@ static int s3c64xx_spi_transfer_one(struct spi_master *master,
 	if (sdd->rx_dma.ch && sdd->tx_dma.ch) {
 		dma_release_channel(sdd->rx_dma.ch);
 		dma_release_channel(sdd->tx_dma.ch);
-		sdd->rx_dma.ch = 0;
-		sdd->tx_dma.ch = 0;
+		sdd->rx_dma.ch = NULL;
+		sdd->tx_dma.ch = NULL;
 	}
 
 	return status;
-- 
2.35.3