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

From: Colin Ian King
Date: Sun Jun 12 2022 - 16:34:36 EST


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

Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
---
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