[PATCH] spi: davinci: Handle return value of clk_prepare_enable

[PATCH] spi: davinci: Handle return value of clk_prepare_enable

[Arvind Yadav]

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 drivers/spi/spi-davinci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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;
-- 
1.9.1

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Applied "spi: davinci: Handle return value of clk_prepare_enable" to the spi tree

[Mark Brown]

The patch

   spi: davinci: Handle return value of clk_prepare_enable

has been applied to the spi tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark

>From 35fc3b9ff66b907ca7a75c971decf291adf78131 Mon Sep 17 00:00:00 2001
From: Arvind Yadav <arvind.yadav.cs-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Mon, 5 Jun 2017 17:36:28 +0530
Subject: [PATCH] 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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Signed-off-by: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 drivers/spi/spi-davinci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 0b4493e7fe9e..6ddb6ef1fda4 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;
-- 
2.11.0

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