From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Mon, 5 Jun 2017 12:06:28 +0000 (+0530)
Subject: spi: davinci: Handle return value of clk_prepare_enable
X-Git-Tag: v4.13-rc1~175^2~3^4
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=35fc3b9ff66b907ca7a75c971decf291adf78131;p=thirdparty%2Flinux.git

spi: davinci: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 0b4493e7fe9e7..6ddb6ef1fda4f 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -964,7 +964,9 @@ static int davinci_spi_probe(struct platform_device *pdev)
 		ret = -ENODEV;
 		goto free_master;
 	}
-	clk_prepare_enable(dspi->clk);
+	ret = clk_prepare_enable(dspi->clk);
+	if (ret)
+		goto free_master;
 
 	master->dev.of_node = pdev->dev.of_node;
 	master->bus_num = pdev->id;