linux-kernel - [PATCH v6 01/10] [hack] silence ttm fini WARNING

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Message-Id: <20210204145712.1531203-2-kraxel@redhat.com>
Date:   Thu,  4 Feb 2021 15:57:02 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Gerd Hoffmann <kraxel@...hat.com>,
        Christian Koenig <christian.koenig@....com>,
        Huang Rui <ray.huang@....com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
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