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spi: s3c64xx: set pointers to null using NULL rather than 0

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

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220612203428.2754823-1-colin.i.king@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Colin Ian King 2022-06-12 21:34:28 +01:00 committed by Mark Brown
parent 116679aef2
commit 845d3fd8a0
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 5 additions and 5 deletions
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10
drivers/spi/spi-s3c64xx.c
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@ -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;