Re: [PATCH] I2C-S3C2410: Use common error handling code in s3c24xx_i2c_probe()

From: Ben Dooks
Date: Tue Oct 31 2017 - 11:01:53 EST


On Wed, Oct 25, 2017 at 04:26:20PM +0300, Dan Carpenter wrote:
> > @@ -1180,24 +1179,21 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
> > i2c->irq = ret = platform_get_irq(pdev, 0);
> > if (ret <= 0) {
>
> Not related to this patch, but the comparison here should be < 0. Or
> otherwise we should set an error code. The bug was introduced in commit
> e0d1ec97853f ("i2c-s3c2410: Change IRQ to be plain integer.").
>
> > dev_err(&pdev->dev, "cannot find IRQ\n");
> > - clk_unprepare(i2c->clk);
> > - return ret;
>
> regards,
> dan carpenter

I believe (ret < 0) { } should be the correct case here.

--
Ben Dooks, ben@xxxxxxxxx, http://www.fluff.org/ben/

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