linux-kernel - [PATCH] spi: spi-fsl-dspi: ensure non-zero return on error path

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Date:   Mon, 22 May 2017 16:19:20 +0300
From:   Nikita Yushchenko <nikita.yoush@...entembedded.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chris Healy <Chris.Healy@....aero>,
        Jeff White <Jeff.White@....aero>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>
Subject: [PATCH] spi: spi-fsl-dspi: ensure non-zero return on error path

Propagate error return from dspi_request_dma() into probe routine's
return.

Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
---
 drivers/spi/spi-fsl-dspi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 15201645bdc4..d89127f4a46d 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1032,7 +1032,8 @@ static int dspi_probe(struct platform_device *pdev)
 		goto out_master_put;
 
 	if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
-		if (dspi_request_dma(dspi, res->start)) {
+		ret = dspi_request_dma(dspi, res->start);
+		if (ret < 0) {
 			dev_err(&pdev->dev, "can't get dma channels\n");
 			goto out_clk_put;
 		}
-- 
2.11.0