[PATCH] drm: hibmc: Initialize the hibmc_bo_driver.io_mem_pfn

[Michal Srb]

On středa 29. listopadu 2017 15:47:30 CET Sean Paul wrote:
> On Wed, Nov 29, 2017 at 12:33:24PM +0100, msrb at suse.com wrote:
> > From: Michal Srb <msrb at suse.com>
> > 
> > The io_mem_pfn field was added in ea642c3216cb2a60d1c0e760ae47ee85c9c16447
> > and is used unconditionally. Most drivers were updated to set it to the
> > default implementation ttm_bo_default_io_mem_pfn, but hibmc was not.
> > 
> > This fixes crash in ttm_bo_vm_fault when hibmc driver is used.
> 
> Instead of just doing the same cargo cult in this driver, lets just call the
> default function when io_mem_pfn is NULL. Looks like 9 other drivers are
> affected as well.

Ok, that makes sense.

Michal