[PATCH v6 01/10] [hack] silence ttm fini WARNING
Christian König
christian.koenig at amd.com
Thu Feb 4 14:58:33 UTC 2021
?
What's the background here?
Christian.
Am 04.02.21 um 15:57 schrieb Gerd Hoffmann:
> kobject: '(null)' ((____ptrval____)): is not initialized, yet kobject_put() is being called.
> WARNING: CPU: 0 PID: 209 at lib/kobject.c:750 kobject_put+0x3a/0x60
> [ ... ]
> Call Trace:
> ttm_device_fini+0x133/0x1b0 [ttm]
> qxl_ttm_fini+0x2f/0x40 [qxl]
> ---
> drivers/gpu/drm/ttm/ttm_device.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_device.c b/drivers/gpu/drm/ttm/ttm_device.c
> index ac0903c9e60a..b638cbb0bd45 100644
> --- a/drivers/gpu/drm/ttm/ttm_device.c
> +++ b/drivers/gpu/drm/ttm/ttm_device.c
> @@ -50,7 +50,7 @@ static void ttm_global_release(void)
> goto out;
>
> kobject_del(&glob->kobj);
> - kobject_put(&glob->kobj);
> +// kobject_put(&glob->kobj);
> ttm_mem_global_release(&ttm_mem_glob);
> __free_page(glob->dummy_read_page);
> memset(glob, 0, sizeof(*glob));
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