From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Wed, 28 Sep 2016 14:50:18 +0000 (+0000)
Subject: spi: imx: fix error return code in spi_imx_probe()
X-Git-Tag: v4.9.8~1253^2~3^3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=446576f9ea5308c671eafb1cdc2a977b406c1dc5;p=platform%2Fkernel%2Flinux-rpi3.git

spi: imx: fix error return code in spi_imx_probe()

Fix to return error code -EINVAL if no CS GPIOs available
instead of 0, as done elsewhere in this function.

Fixes: f13d4e189d20 ("spi: imx: Gracefully handle NULL master->cs_gpios")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 1ef5429..deb782f 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1270,6 +1270,7 @@ static int spi_imx_probe(struct platform_device *pdev)
 
 	if (!master->cs_gpios) {
 		dev_err(&pdev->dev, "No CS GPIOs available\n");
+		ret = -EINVAL;
 		goto out_clk_put;
 	}