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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6ECE8C433EF for ; Mon, 11 Oct 2021 14:08:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 349C061078 for ; Mon, 11 Oct 2021 14:08:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242815AbhJKOKp (ORCPT ); Mon, 11 Oct 2021 10:10:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:57034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242024AbhJKOIn (ORCPT ); Mon, 11 Oct 2021 10:08:43 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7A39361078; Mon, 11 Oct 2021 14:01:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633960892; bh=lHlgL+PtI8loLZASCAO+rwqLV6OQApavNdR03jGGako=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H3AZcj+IZWNgAyy4Aewh/PtVSwyKwGv37OWI/CRH1ilNRw7jH/Mf81YUfl3iByuPy TU0OukkU0BGkyr51LdIw1SzUVna+yFvPFwGaAb7QKBj8ByPYXsPqu2busOWr6Qypt4 TxF4oipkOWT51TZDQ6OVPUqW3t6epqNRCQfO7u5U= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hulk Robot , Yang Yingliang , Karol Herbst , Maarten Lankhorst , Sasha Levin Subject: [PATCH 5.14 104/151] drm/nouveau/kms/nv50-: fix file release memory leak Date: Mon, 11 Oct 2021 15:46:16 +0200 Message-Id: <20211011134521.180781009@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211011134517.833565002@linuxfoundation.org> References: <20211011134517.833565002@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yang Yingliang [ Upstream commit 0b3d4945cc7e7ea1acd52cb06dfa83bfe265b6d5 ] When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked. Fixes: 12885ecbfe62 ("drm/nouveau/kms/nvd9-: Add CRC support") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Reviewed-by: Karol Herbst Signed-off-by: Karol Herbst Link: https://patchwork.freedesktop.org/patch/msgid/20210911075023.3969054-1-yangyingliang@huawei.com Signed-off-by: Maarten Lankhorst Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/dispnv50/crc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c index b8c31b697797..66f32d965c72 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/crc.c +++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c @@ -704,6 +704,7 @@ static const struct file_operations nv50_crc_flip_threshold_fops = { .open = nv50_crc_debugfs_flip_threshold_open, .read = seq_read, .write = nv50_crc_debugfs_flip_threshold_set, + .release = single_release, }; int nv50_head_crc_late_register(struct nv50_head *head) -- 2.33.0