1 files changed, 38 insertions, 37 deletions

diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index b95f796f..1695a792 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -140,8 +140,9 @@ static drm_ioctl_desc_t drm_ioctls[] = {
 int drm_lastclose(drm_device_t * dev)
 {
 	drm_magic_entry_t *pt, *next;
-	drm_map_list_t *r_list;
-	drm_vma_entry_t *vma, *vma_next;
+	drm_map_list_t *r_list, *list_t;
+	drm_vma_entry_t *vma, *vma_temp;
+	struct drm_drawable_list *drw_entry, *drw_temp;
 	int i;
 
 	DRM_DEBUG("\n");
@@ -166,15 +167,13 @@ int drm_lastclose(drm_device_t * dev)
 		drm_irq_uninstall(dev);
 
 	/* Free drawable information memory */
-	for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield);
-	     i++) {
-		drm_drawable_info_t *info = drm_get_drawable_info(dev, i);
-
-		if (info) {
-			drm_free(info->rects, info->num_rects *
-				 sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
-			drm_free(info, sizeof(*info), DRM_MEM_BUFS);
-		}
+	list_for_each_entry_safe(drw_entry, drw_temp, &dev->drwlist, head) {
+		drm_free(drw_entry->info.rects, drw_entry->info.num_rects *
+			 sizeof(drm_clip_rect_t), DRM_MEM_BUFS);
+
+		idr_remove(&dev->drw_idr, drw_entry->id);
+		list_del(&drw_entry->head);
+		drm_free(drw_entry, sizeof(struct drm_drawable_list), DRM_MEM_BUFS);
 	}
 
 	mutex_lock(&dev->struct_mutex);
@@ -198,19 +197,17 @@ int drm_lastclose(drm_device_t * dev)
 
 	/* Clear AGP information */
 	if (drm_core_has_AGP(dev) && dev->agp) {
-		drm_agp_mem_t *entry;
-		drm_agp_mem_t *nexte;
+		drm_agp_mem_t *entry, *tempe;
 
 		/* Remove AGP resources, but leave dev->agp
 		   intact until drv_cleanup is called. */
-		for (entry = dev->agp->memory; entry; entry = nexte) {
-			nexte = entry->next;
+		list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
 			if (entry->bound)
 				drm_unbind_agp(entry->memory);
 			drm_free_agp(entry->memory, entry->pages);
 			drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS);
 		}
-		dev->agp->memory = NULL;
+		INIT_LIST_HEAD(&dev->agp->memory);
 
 		if (dev->agp->acquired)
 			drm_agp_release(dev);
@@ -224,20 +221,14 @@ int drm_lastclose(drm_device_t * dev)
 	}
 
 	/* Clear vma list (only built for debugging) */
-	if (dev->vmalist) {
-		for (vma = dev->vmalist; vma; vma = vma_next) {
-			vma_next = vma->next;
-			drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS);
-		}
-		dev->vmalist = NULL;
+	list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) {
+		list_del(&vma->head);
+		drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS);
 	}
-
-	if (dev->maplist) {
-		while (!list_empty(&dev->maplist->head)) {
-			struct list_head *list = dev->maplist->head.next;
-			r_list = list_entry(list, drm_map_list_t, head);
-			drm_rmmap_locked(dev, r_list->map);
-		}
+	
+	list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
+		drm_rmmap_locked(dev, r_list->map);
+		r_list = NULL;
 	}
 
 	if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {
@@ -372,13 +363,9 @@ static void drm_cleanup(drm_device_t * dev)
 	drm_lastclose(dev);
 	drm_fence_manager_takedown(dev);
 
-	if (dev->maplist) {
-		drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS);
-		dev->maplist = NULL;
-		drm_ht_remove(&dev->map_hash);
-		drm_mm_takedown(&dev->offset_manager);
-		drm_ht_remove(&dev->object_hash);
-	}
+	drm_ht_remove(&dev->map_hash);
+	drm_mm_takedown(&dev->offset_manager);
+	drm_ht_remove(&dev->object_hash);
 
 	if (!drm_fb_loaded)
 		pci_disable_device(dev->pdev);
@@ -594,7 +581,7 @@ int drm_ioctl(struct inode *inode, struct file *filp,
 		goto err_i1;
 	if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
 		&& (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
-			ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
+		ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
 	else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
 		ioctl = &drm_ioctls[nr];
 	else
@@ -622,3 +609,17 @@ err_i1:
 	return retcode;
 }
 EXPORT_SYMBOL(drm_ioctl);
+
+drm_local_map_t *drm_getsarea(struct drm_device *dev)
+{
+	drm_map_list_t *entry;
+
+	list_for_each_entry(entry, &dev->maplist, head) {
+		if (entry->map && entry->map->type == _DRM_SHM &&
+		    (entry->map->flags & _DRM_CONTAINS_LOCK)) {
+			return entry->map;
+		}
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(drm_getsarea);