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i2c: s3c2410: Check clk_prepare_enable() return value

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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>
This commit is contained in:
Javier Martinez Canillas 2016-04-20 10:37:56 -04:00 committed by Wolfram Sang
parent 8f8edd491a
commit d16415b262
1 changed files with 6 additions and 1 deletions
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7
drivers/i2c/busses/i2c-s3c2410.c
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@ -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) {