diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index a1a9c828938b..efc79bbf3c73 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -783,7 +783,6 @@ static int objects_lookup(struct drm_file *filp, u32 *handle, int count, int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, int count, struct drm_gem_object ***objs_out) { - struct drm_device *dev = filp->minor->dev; struct drm_gem_object **objs; u32 *handles; int ret; @@ -798,20 +797,11 @@ int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, *objs_out = objs; - handles = kvmalloc_array(count, sizeof(u32), GFP_KERNEL); - if (!handles) { - ret = -ENOMEM; - goto out; - } - - if (copy_from_user(handles, bo_handles, count * sizeof(u32))) { - ret = -EFAULT; - drm_dbg_core(dev, "Failed to copy in GEM handles\n"); - goto out; - } + handles = vmemdup_array_user(bo_handles, count, sizeof(u32)); + if (IS_ERR(handles)) + return PTR_ERR(handles); ret = objects_lookup(filp, handles, count, objs); -out: kvfree(handles); return ret; |