On Thu, 2018-02-01 at 08:27 +0100, Rafael J. Wysocki wrote: > On Wed, Jan 31, 2018 at 11:17 PM, Sinan Kaya <okaya@xxxxxxxxxxxxxx> > wrote: > > On 1/31/2018 4:29 PM, Andy Shevchenko wrote: > > > As well as its sibling of_device_get_match_data() has no such > > > checks, > > > no need to do it in acpi_get_match_data(). > > > > > > First of all, we are not supposed to call fwnode API like this > > > without > > > driver attached. > > > > > > Second, if pure OF driver calls this function, it's weird to have > > > ACPI > > > companion without ACPI ID in this case. > > > > We talked about this during review. > > > > of_match_device() does all the checking for the OF part. ACPI > > doesn't have > > any checks. > > Yeah, this patch is just plain incorrect AFAICS. I don't see how check dev->driver is implemented on OF side then of_device_get_match_data() which is called by of_fwnode_device_get_match_data() has dereferenced dev->driver w/o any check. I can't agree that the patch is plain incorrect, if I didn't miss anything. -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
