From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huang Rui Subject: [PATCH 1/2] drm/ttm: set ttm_buffer_object pointer as null after it's freed Date: Mon, 10 Sep 2018 16:57:55 +0800 Message-ID: <1536569876-27262-1-git-send-email-ray.huang@amd.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1529001892==" Return-path: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Tom StDenis , Huang Rui , =?UTF-8?q?Christian=20K=C3=B6nig?= --===============1529001892== Content-Type: text/plain; charset="y" Content-Transfer-Encoding: 8bit It avoids to be refered again after freed. Signed-off-by: Huang Rui Cc: Christian König Cc: Tom StDenis --- drivers/gpu/drm/ttm/ttm_bo.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 138c989..d3ef5f8 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -54,6 +54,7 @@ static struct attribute ttm_bo_count = { static void ttm_bo_default_destroy(struct ttm_buffer_object *bo) { kfree(bo); + bo = NULL; } static inline int ttm_mem_type_from_place(const struct ttm_place *place, -- 2.7.4 --===============1529001892== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBt YWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg== --===============1529001892==--