Message ID | 20241029083429.1185479-1-chenridong@huaweicloud.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | drm/vmwgfx: avoid null_ptr_deref in vmw_framebuffer_surface_create_handle | expand |
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index f39bf992364d..8db38927729b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1265,6 +1265,8 @@ static int vmw_framebuffer_surface_create_handle(struct drm_framebuffer *fb, struct vmw_framebuffer_surface *vfbs = vmw_framebuffer_to_vfbs(fb); struct vmw_bo *bo = vmw_user_object_buffer(&vfbs->uo); + if (WARN_ON(!bo)) + return -EINVAL; return drm_gem_handle_create(file_priv, &bo->tbo.base, handle); }