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drm: Check for drm_device->dev in drm_set_busid

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I've failed to remember that we have virtual drivers like vgem which
have no underlying struct device. Fix this asap.

Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Fixes: 5c484cee7e ("drm: Remove drm_driver->set_busid hook")
Cc: Thierry Reding <treding@nvidia.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170621130429.20537-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2017-06-21 15:04:29 +02:00
parent c284a0bdb1
commit 22a884cfe5
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_ioctl.c
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@ -143,7 +143,7 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
if (master->unique != NULL)
drm_unset_busid(dev, master);
if (dev_is_pci(dev->dev)) {
if (dev->dev && dev_is_pci(dev->dev)) {
ret = drm_pci_set_busid(dev, master);
if (ret) {
drm_unset_busid(dev, master);