From d16415b2627e91a45778e1888bfdd5c6744294bf Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javier@osg.samsung.com>
Date: Wed, 20 Apr 2016 10:37:56 -0400
Subject: i2c: s3c2410: Check clk_prepare_enable() return value
The clk_prepare_enable() function can fail so check the return
value and propagate the error in case of a failure.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
drivers/i2c/busses/i2c-s3c2410.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index c08830549578..38dc1cacfd8b 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1158,7 +1158,12 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
return -EINVAL;
/* initialise the i2c controller */
- clk_prepare_enable(i2c->clk);
+ ret = clk_prepare_enable(i2c->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "I2C clock enable failed\n");
+ return ret;
+ }
+
ret = s3c24xx_i2c_init(i2c);
clk_disable(i2c->clk);
if (ret != 0) {
--
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