From patchwork Wed Jun 5 13:45:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= X-Patchwork-Id: 10977015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E30A115E6 for ; Wed, 5 Jun 2019 13:45:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D496727FC0 for ; Wed, 5 Jun 2019 13:45:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C8B9E289B8; Wed, 5 Jun 2019 13:45:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 227EB289B6 for ; Wed, 5 Jun 2019 13:45:00 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 5A2FC1687; Wed, 5 Jun 2019 15:44:08 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5A2FC1687 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1559742298; bh=U1iaYBNoWJ5OPjufobK9+VUm16WCOE1SbwS3bZOgmUU=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=kTN7F/BCU62FJMrYVVbrsb6Iv0RDlz3FZZqBaVSgoTSJzdWJwkZuI7xrx7l1WKc3J 3W2/JzAMnNKhMucddf1Zk+ZkdYXSLX7p7zHBHxBuKxA2YNIQ0Hezg0tyMt91WT7ZrI 0nmRrZkdbXjbo2kYKm3PqfQ2bvy12bJG8fX99wRc= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id DB740F89731; Wed, 5 Jun 2019 15:42:29 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4B9CBF896DD; Wed, 5 Jun 2019 15:42:26 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0FBCAF896DB for ; Wed, 5 Jun 2019 15:42:22 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0FBCAF896DB X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Jun 2019 06:42:22 -0700 X-ExtLoop1: 1 Received: from xxx.igk.intel.com ([10.237.93.170]) by orsmga004.jf.intel.com with ESMTP; 05 Jun 2019 06:42:20 -0700 From: =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= To: alsa-devel@alsa-project.org Date: Wed, 5 Jun 2019 15:45:44 +0200 Message-Id: <20190605134556.10322-3-amadeuszx.slawinski@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190605134556.10322-1-amadeuszx.slawinski@linux.intel.com> References: <20190605134556.10322-1-amadeuszx.slawinski@linux.intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , linux-kernel@vger.kernel.org, Takashi Iwai , Jie Yang , Liam Girdwood , Pierre-Louis Bossart , Mark Brown , =?utf-8?q?Amadeusz_S=C5=82awi=C5=84ski?= Subject: [alsa-devel] [PATCH 02/14] ALSA: hdac: fix memory release for SST and SOF drivers X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" X-Virus-Scanned: ClamAV using ClamSMTP During the integration of HDaudio support, we changed the way in which we get hdev in snd_hdac_ext_bus_device_init() to use one preallocated with devm_kzalloc(), however it still left kfree(hdev) in snd_hdac_ext_bus_device_exit(). It leads to oopses when trying to rmmod and modprobe. Fix it, by just removing kfree call. SOF also uses some of the snd_hdac_ functions for HDAudio support but allocated the memory with kzalloc. A matching fix is provided separately to align all users of the snd_hdac_ library. Fixes: 6298542fa33b ("ALSA: hdac: remove memory allocation from snd_hdac_ext_bus_device_init") Reviewed-by: Takashi Iwai Signed-off-by: Amadeusz Sławiński Signed-off-by: Pierre-Louis Bossart --- sound/hda/ext/hdac_ext_bus.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c index c203af71a099..f33ba58b753c 100644 --- a/sound/hda/ext/hdac_ext_bus.c +++ b/sound/hda/ext/hdac_ext_bus.c @@ -170,7 +170,6 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_init); void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev) { snd_hdac_device_exit(hdev); - kfree(hdev); } EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_exit);