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path: root/drivers/gpu/drm/drm_vm.c
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Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
-rw-r--r--drivers/gpu/drm/drm_vm.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index fda67468e603..5df450683aab 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma)
433 mutex_unlock(&dev->struct_mutex); 433 mutex_unlock(&dev->struct_mutex);
434} 434}
435 435
436/** 436void drm_vm_close_locked(struct vm_area_struct *vma)
437 * \c close method for all virtual memory types.
438 *
439 * \param vma virtual memory area.
440 *
441 * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
442 * free it.
443 */
444static void drm_vm_close(struct vm_area_struct *vma)
445{ 437{
446 struct drm_file *priv = vma->vm_file->private_data; 438 struct drm_file *priv = vma->vm_file->private_data;
447 struct drm_device *dev = priv->minor->dev; 439 struct drm_device *dev = priv->minor->dev;
@@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma)
451 vma->vm_start, vma->vm_end - vma->vm_start); 443 vma->vm_start, vma->vm_end - vma->vm_start);
452 atomic_dec(&dev->vma_count); 444 atomic_dec(&dev->vma_count);
453 445
454 mutex_lock(&dev->struct_mutex);
455 list_for_each_entry_safe(pt, temp, &dev->vmalist, head) { 446 list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
456 if (pt->vma == vma) { 447 if (pt->vma == vma) {
457 list_del(&pt->head); 448 list_del(&pt->head);
@@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma)
459 break; 450 break;
460 } 451 }
461 } 452 }
453}
454
455/**
456 * \c close method for all virtual memory types.
457 *
458 * \param vma virtual memory area.
459 *
460 * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
461 * free it.
462 */
463static void drm_vm_close(struct vm_area_struct *vma)
464{
465 struct drm_file *priv = vma->vm_file->private_data;
466 struct drm_device *dev = priv->minor->dev;
467
468 mutex_lock(&dev->struct_mutex);
469 drm_vm_close_locked(vma);
462 mutex_unlock(&dev->struct_mutex); 470 mutex_unlock(&dev->struct_mutex);
463} 471}
464 472