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@xxxxxxxxxxxxxxxxxx>
Cc: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
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;
--
2.11.0
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