spi: s3c64xx: check return code of dmaengine_slave_config()

Check the return code of dmaengine_slave_config().

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://lore.kernel.org/r/20240207120431.2766269-11-tudor.ambarus@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 8c76894..5da8201 100644 (file)
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -303,7 +303,9 @@ static int prepare_dma(struct s3c64xx_spi_dma_data *dma,
                config.dst_maxburst = 1;
        }
        config.direction = dma->direction;
-       dmaengine_slave_config(dma->ch, &config);
+       ret = dmaengine_slave_config(dma->ch, &config);
+       if (ret)
+               return ret;
 
        desc = dmaengine_prep_slave_sg(dma->ch, sgt->sgl, sgt->nents,
                                       dma->direction, DMA_PREP_INTERRUPT);