spi: spi-fsl-dspi: Reduce indentation in dspi_release_dma()

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>
Link: https://lore.kernel.org/r/20190818180115.31114-7-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index b0c5468..c07525a 100644 (file)
--- 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);
        }
 }