Messages in this thread | | | Date | Mon, 24 Oct 2022 12:24:09 +0300 | From | Andy Shevchenko <> | Subject | Re: [driver-core:driver-core-testing] BUILD SUCCESS 59789f3418dd3c0a187490d49e900a59a5c8d732 |
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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)); > > > > > > > > > > > > Now that dev_fwnode() is an inline function, the compiler is confused as > > > > > > to what function to select? Maybe, I don't know, it seems odd, can you > > > > > > look into it? > > > > > > > > > > Hmm... I can't reproduce on my side. > > > > > Any (additional) information about compiler, architecture, etc? > > > > > > > > I found the original report, but I don't see how to extract the defconfig / > > > > config it used. Can you send that file to me? > > > > > > > > > > Hi Andy, > > > > > > The original report can be found at https://lists.01.org/hyperkitty/list/kbuild@lists.01.org/thread/VE7CMY7FVIPYWHL4XMOCFWCNYTGZSTKP/ > > > > > > and config file can be downloaded from https://lists.01.org/hyperkitty/list/kbuild@lists.01.org/message/VE7CMY7FVIPYWHL4XMOCFWCNYTGZSTKP/attachment/2/config.ksh > > > > Thanks! > > > > Can't reproduce on my Debian (x86_64): > > > > gcc (Debian 12.2.0-3) 12.2.0 > > Copyright (C) 2022 Free Software Foundation, Inc. > > This is free software; see the source for copying conditions. There is NO > > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > > > Is it GCC issue? > > > > Any pointers where I can download the compiler you are using? > > > > 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().
-- With Best Regards, Andy Shevchenko
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