From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4722BC07E95 for ; Tue, 20 Jul 2021 10:33:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 296FE6101E for ; Tue, 20 Jul 2021 10:33:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237754AbhGTJw5 (ORCPT ); Tue, 20 Jul 2021 05:52:57 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:39334 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S237496AbhGTJvm (ORCPT ); Tue, 20 Jul 2021 05:51:42 -0400 X-UUID: 5c065068862d4c1aad0d01e95df3bc07-20210720 X-UUID: 5c065068862d4c1aad0d01e95df3bc07-20210720 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 468062627; Tue, 20 Jul 2021 18:32:15 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 20 Jul 2021 18:32:08 +0800 Received: from mszswglt01.gcn.mediatek.inc (10.16.20.20) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 20 Jul 2021 18:32:01 +0800 From: To: CC: , , , , , , , , , , Guangming Cao Subject: [PATCH v2] dma_buf: remove dmabuf sysfs teardown before release Date: Tue, 20 Jul 2021 18:31:58 +0800 Message-ID: <20210720103158.83439-1-guangming.cao@mediatek.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <8d7dfc78-aa85-48b5-2828-21ec6b463ac3@amd.com> References: <8d7dfc78-aa85-48b5-2828-21ec6b463ac3@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guangming Cao Dmabuf sysfs stat is used for dmabuf info track. But these file maybe still in use after buffer released, should clear it before buffer release. Signed-off-by: Guangming Cao --- drivers/dma-buf/dma-buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index b1a6db71c656..63d32261b63f 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -76,12 +76,12 @@ static void dma_buf_release(struct dentry *dentry) */ BUG_ON(dmabuf->cb_shared.active || dmabuf->cb_excl.active); + dma_buf_stats_teardown(dmabuf); dmabuf->ops->release(dmabuf); if (dmabuf->resv == (struct dma_resv *)&dmabuf[1]) dma_resv_fini(dmabuf->resv); - dma_buf_stats_teardown(dmabuf); module_put(dmabuf->owner); kfree(dmabuf->name); kfree(dmabuf); -- 2.17.1