2021-02-05 00:38:02

by Gerd Hoffmann

[permalink] [raw]
Subject: [PATCH v6 01/10] [hack] silence ttm fini WARNING

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));
--
2.29.2