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Subject[PATCH v5 10/17] spi: s3c64xx: check return code of dmaengine_slave_config()
Date
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>
---
drivers/spi/spi-s3c64xx.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 4ce6cb3b43f6..1f7356f6e5d2 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -305,7 +305,9 @@ 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);
--
2.43.0.687.g38aa6559b0-goog

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