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30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From 7e8fbc673938278ec7165b99b76227d7cc2ab012 Mon Sep 17 00:00:00 2001
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From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Date: Wed, 17 Apr 2013 13:38:13 -0300
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Subject: [PATCH 105/203] mtd: nand: pxa3xx: Check for clk_prepare_enable()
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return value
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clk_prepare_enable() can fail due to unknown reason.
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Add a check for this and return the error code if it fails.
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Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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---
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drivers/mtd/nand/pxa3xx_nand.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/nand/pxa3xx_nand.c
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+++ b/drivers/mtd/nand/pxa3xx_nand.c
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@@ -1072,7 +1072,9 @@ static int alloc_nand_resource(struct pl
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dev_err(&pdev->dev, "failed to get nand clock\n");
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return PTR_ERR(info->clk);
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}
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- clk_prepare_enable(info->clk);
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+ ret = clk_prepare_enable(info->clk);
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+ if (ret < 0)
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+ return ret;
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/*
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* This is a dirty hack to make this driver work from devicetree
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