linux-kernel - Re: [driver-core:driver-core-testing] BUILD SUCCESS 59789f3418dd3c0a187490d49e900a59a5c8d732

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Message-ID: <Y1ZuOg2b06u3TJtV@kadam>
Date:   Mon, 24 Oct 2022 13:51:38 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "Chen, Rong A" <rong.a.chen@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        kernel test robot <lkp@...el.com>,
        linux-kernel@...r.kernel.org, Dan Carpenter <error27@...il.com>
Subject: Re: [driver-core:driver-core-testing] BUILD SUCCESS
 59789f3418dd3c0a187490d49e900a59a5c8d732

On Mon, Oct 24, 2022 at 12:24:09PM +0300, Andy Shevchenko wrote:
> On Mon, Oct 24, 2022 at 05:08:37PM +0800, Chen, Rong A wrote:
> > On 10/24/2022 4:57 PM, Andy Shevchenko wrote:
> > > On Mon, Oct 24, 2022 at 09:10:53AM +0800, Chen, Rong A wrote:
> > > > On 10/24/2022 3:52 AM, Andy Shevchenko wrote:
> > > > > On Sun, Oct 23, 2022 at 10:43:07PM +0300, Andy Shevchenko wrote:
> > > > > > On Sun, Oct 23, 2022 at 02:33:40PM +0200, Greg Kroah-Hartman wrote:
> > > > > > > On Sun, Oct 23, 2022 at 08:03:57AM +0800, kernel test robot wrote:
> > > > > > > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-testing
> > > > > > > > branch HEAD: 59789f3418dd3c0a187490d49e900a59a5c8d732  device property: Constify parameter in device_dma_supported() and device_get_dma_attr()
> > > > > > > > 
> > > > > > > > Unverified Warning (likely false positive, please contact us if interested):
> > > > > > > > 
> > > > > > > > drivers/hwmon/iio_hwmon.c:155 iio_hwmon_probe() warn: could not determine type of argument 4
> > > > > > > 
> > > > > > > Andy, this is due to your changes, here's the offending code:
> > > > > > > 
> > > > > > > 	sname = devm_kasprintf(dev, GFP_KERNEL, "%pfwP", dev_fwnode(dev));
> > > > > > > 

[ snip ]

> > 
> > Hi Andy,
> > 
> > It's a smatch warning, it may be a false positive since Dan didn't forward
> > the report. +Dan
> > 
> > smatch warnings:
> > drivers/hwmon/iio_hwmon.c:155 iio_hwmon_probe() warn: could not determine
> > type of argument 4
> 
> Ah, okay, pretty much looks like false positive due to smatch unable to handle
> _Generic().
> 

Yes.  Thanks.  I'm testing out a fix now.

It will take some days or a week before I push the fix probably because
I have a bunch of other changes I'm doing as well.

regards,
dan carpenter