drm: fix oops on unload.

if we are unloading the module, there is no master so therefore no lock

diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c
index 274322e..fa2fc3d 100644 (file)
--- a/shared-core/i915_init.c
+++ b/shared-core/i915_init.c
@@ -277,7 +277,6 @@ int i915_driver_unload(struct drm_device *dev)
 
        I915_WRITE(LP_RING + RING_LEN, 0);
 
-
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                drm_irq_uninstall(dev);
                intel_modeset_cleanup(dev);
@@ -291,7 +290,6 @@ int i915_driver_unload(struct drm_device *dev)
        if (dev_priv->sarea_kmap.virtual) {
                drm_bo_kunmap(&dev_priv->sarea_kmap);
                dev_priv->sarea_kmap.virtual = NULL;
-               dev->primary->master->lock.hw_lock = NULL;
                dev->sigdata.lock = NULL;
        }