Re: [PATCH v2] driver core: platform: Respect return code of platform_device_register_full()

[Greg Kroah-Hartman]

On Mon, Dec 03, 2018 at 08:21:41PM +0200, Andy Shevchenko wrote:
> The platform_device_register_full() might return an error pointer. If we
> instantiate platform device which is optional we may simplify the routine at
> removal stage by simply calling platform_device_unregister(). For now it
> requires to check parameter for being an error pointer in each caller.
> 
> To make users' life easier, check for an error pointer inside driver core.
> 
> Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> - rebase on top of linux-next since the conflicting patch has been applied there

What conflicting patch?  This now doesn't apply to my tree.

Let me fix it up by hand...