From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 3 Apr 2013 13:06:40 +0000 (+0800)
Subject: mxs/spi: fix error return code in mxs_spi_probe()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=58ad60bbb2abada33fbeae88943ab038e2fcc0ef;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

mxs/spi: fix error return code in mxs_spi_probe()

Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c
index 22a0af0147fb..a1d5778e2bbb 100644
--- a/drivers/spi/spi-mxs.c
+++ b/drivers/spi/spi-mxs.c
@@ -612,6 +612,7 @@ static int mxs_spi_probe(struct platform_device *pdev)
 	ssp->dmach = dma_request_channel(mask, mxs_ssp_dma_filter, ssp);
 	if (!ssp->dmach) {
 		dev_err(ssp->dev, "Failed to request DMA\n");
+		ret = -ENODEV;
 		goto out_master_free;
 	}