[PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable

From	Arvind Yadav <arvind.yadav.cs@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable
Date	2017-06-01 13:00 +0200
Message-ID	<tNvZD-1vK-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/mtd/nand/orion_nand.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index f8e463a..209170e 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -166,7 +166,11 @@ static int __init orion_nand_probe(struct platform_device *pdev)
 		}
 	}
 
-	clk_prepare_enable(info->clk);
+	ret = clk_prepare_enable(info->clk);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to prepare clock!\n");
+		return ret;
+	}
 
 	ret = nand_scan(mtd, 1);
 	if (ret)
-- 
1.9.1

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[PATCH] mtd: nand: orion: Handle return value of clk_prepare_enable Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-06-01 13:00 +0200
  Re: [PATCH] mtd: nand: orion: Handle return value of  clk_prepare_enable Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 09:40 +0200

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