[PATCH] spi: spi-zynqmp-gqspi: Handle error for dma_set_mask

From: Jiasheng Jiang
Date: Wed Mar 02 2022 - 04:21:05 EST


As the potential failure of the dma_set_mask(),
it should be better to check it and return error
if fails.

Fixes: 126bdb606fd2 ("spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
---
drivers/spi/spi-zynqmp-gqspi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 328b6559bb19..2b5afae8ff7f 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -1172,7 +1172,10 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
goto clk_dis_all;
}

- dma_set_mask(&pdev->dev, DMA_BIT_MASK(44));
+ ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(44));
+ if (ret)
+ goto clk_dis_all;
+
ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
ctlr->num_chipselect = GQSPI_DEFAULT_NUM_CS;
ctlr->mem_ops = &zynqmp_qspi_mem_ops;
--
2.25.1