For a virtual device, drm_device.dev is NULL, so becareful not to dereference it unconditionally in core code such as drm_dev_register().
Fixes: 75f6dfe3e652 ("drm: Deduplicate driver initialization message") Signed-off-by: Chris Wilson chris@chris-wilson.co.uk Cc: Gabriel Krisman Bertazi krisman@collabora.co.uk Cc: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 24d2949fd80b..6285e42b42da 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -767,7 +767,8 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", driver->name, driver->major, driver->minor, - driver->patchlevel, driver->date, dev_name(dev->dev), + driver->patchlevel, driver->date, + dev->dev ? dev_name(dev->dev) : "virtual device", dev->primary->index);
goto out_unlock;