From d16415b2627e91a45778e1888bfdd5c6744294bf Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Wed, 20 Apr 2016 10:37:56 -0400 Subject: [PATCH] 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 Reviewed-by: Krzysztof Kozlowski Signed-off-by: Wolfram Sang --- 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) {