[spi,for-5.4,06/14] spi: spi-fsl-dspi: Reduce indentation in dspi_release_dma()
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Message ID 20190818180115.31114-7-olteanv@gmail.com
State Accepted
Commit abbd0ef1f2542621e0f94a7273b7f7e458a38497
Headers show
Series
  • NXP DSPI driver cleanup
Related show

Commit Message

Vladimir Oltean Aug. 18, 2019, 6:01 p.m. UTC
There is no point in surrounding an entire function block in an if
condition. Rather, exit early if the condition is false.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
---
 drivers/spi/spi-fsl-dspi.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

Patch
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diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index b0c546841260..c07525a9fd34 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -471,18 +471,19 @@  static void dspi_release_dma(struct fsl_dspi *dspi)
 	struct fsl_dspi_dma *dma = dspi->dma;
 	struct device *dev = &dspi->pdev->dev;
 
-	if (dma) {
-		if (dma->chan_tx) {
-			dma_unmap_single(dev, dma->tx_dma_phys,
-					DSPI_DMA_BUFSIZE, DMA_TO_DEVICE);
-			dma_release_channel(dma->chan_tx);
-		}
+	if (!dma)
+		return;
 
-		if (dma->chan_rx) {
-			dma_unmap_single(dev, dma->rx_dma_phys,
-					DSPI_DMA_BUFSIZE, DMA_FROM_DEVICE);
-			dma_release_channel(dma->chan_rx);
-		}
+	if (dma->chan_tx) {
+		dma_unmap_single(dev, dma->tx_dma_phys,
+				 DSPI_DMA_BUFSIZE, DMA_TO_DEVICE);
+		dma_release_channel(dma->chan_tx);
+	}
+
+	if (dma->chan_rx) {
+		dma_unmap_single(dev, dma->rx_dma_phys,
+				 DSPI_DMA_BUFSIZE, DMA_FROM_DEVICE);
+		dma_release_channel(dma->chan_rx);
 	}
 }