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

From: Arvind Yadav
Date: Thu Jun 01 2017 - 06:58:31 EST


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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
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