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path: root/drivers/gpu/drm/drm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
-rw-r--r--drivers/gpu/drm/drm_gem.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 92f89cee213e..c2ce78c4edc3 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -335,22 +335,12 @@ out:
}
EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset);
-/**
- * drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers
- * @file: drm file-private structure to remove the dumb handle from
- * @dev: corresponding drm_device
- * @handle: the dumb handle to remove
- *
- * This implements the &drm_driver.dumb_destroy kms driver callback for drivers
- * which use gem to manage their backing storage.
- */
int drm_gem_dumb_destroy(struct drm_file *file,
struct drm_device *dev,
- uint32_t handle)
+ u32 handle)
{
return drm_gem_handle_delete(file, handle);
}
-EXPORT_SYMBOL(drm_gem_dumb_destroy);
/**
* drm_gem_handle_create_tail - internal functions to create a handle
@@ -1078,20 +1068,17 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
drm_gem_object_get(obj);
vma->vm_private_data = obj;
+ vma->vm_ops = obj->funcs->vm_ops;
if (obj->funcs->mmap) {
ret = obj->funcs->mmap(obj, vma);
- if (ret) {
- drm_gem_object_put(obj);
- return ret;
- }
+ if (ret)
+ goto err_drm_gem_object_put;
WARN_ON(!(vma->vm_flags & VM_DONTEXPAND));
} else {
- if (obj->funcs->vm_ops)
- vma->vm_ops = obj->funcs->vm_ops;
- else {
- drm_gem_object_put(obj);
- return -EINVAL;
+ if (!vma->vm_ops) {
+ ret = -EINVAL;
+ goto err_drm_gem_object_put;
}
vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
@@ -1100,6 +1087,10 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
}
return 0;
+
+err_drm_gem_object_put:
+ drm_gem_object_put(obj);
+ return ret;
}
EXPORT_SYMBOL(drm_gem_mmap_obj);