diff mbox

spi: davinci: Handle return value of clk_prepare_enable

Message ID 29e25f858e455379c529a33842bcfafcbb110337.1496664276.git.arvind.yadav.cs@gmail.com (mailing list archive)
State Accepted
Commit 35fc3b9ff66b907ca7a75c971decf291adf78131
Headers show

Commit Message

Arvind Yadav June 5, 2017, 12:06 p.m. UTC 
clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/spi/spi-davinci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 595acdc..2b0805d 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -965,7 +965,9 @@  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;