diff options
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
-rw-r--r-- | drivers/gpu/drm/drm_vm.c | 28 |
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 | /** | 436 | void 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 | */ | ||
444 | static 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 | */ | ||
463 | static 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 | ||