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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,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 677A7C072B1 for ; Thu, 30 May 2019 03:47:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32723204FD for ; Thu, 30 May 2019 03:47:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559188044; bh=/pDqDNEd+ZchBPS5nftXJWLhONyWci4VjpyUw20lDR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CJ9UScy9KiFSLVaAbPCJQkk6w3+2pJv+MtWAzfz91gODrKr690vc2e3YkljzJDbQb p9BB+sbreZQNaxSHYfbHOLp9iKlp4hzaJUbv9Tm2+XZNG/EAVEZBNWN7F0XPb7dqZI uTn+ibKe0rWoa4d3Rbs2HVsGMmFa19cQJWCWb3wE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732255AbfE3DrQ (ORCPT ); Wed, 29 May 2019 23:47:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:58924 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732249AbfE3DUe (ORCPT ); Wed, 29 May 2019 23:20:34 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A901124943; Thu, 30 May 2019 03:20:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186433; bh=/pDqDNEd+ZchBPS5nftXJWLhONyWci4VjpyUw20lDR0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jnqRSaCuc0TYY7BpLQMdatXaij8yCnwCFsZdzCEiADtTWMFFhhJT/1B0/lUv7h+Ka pKu9e4wryMCYWHMWJKh4bcwju+wOmdCse/uRooQ23bVue9ecxmJ+wVHCXAAkbuwCI7 sY2Ld8cHusU1flbt6OXP8AhbEnILkhm4Stof2pNI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jerome Brunet , Mark Brown , Sasha Levin Subject: [PATCH 4.9 028/128] ASoC: hdmi-codec: unlock the device on startup errors Date: Wed, 29 May 2019 20:06:00 -0700 Message-Id: <20190530030439.734601548@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030432.977908967@linuxfoundation.org> References: <20190530030432.977908967@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 30180e8436046344b12813dc954b2e01dfdcd22d ] If the hdmi codec startup fails, it should clear the current_substream pointer to free the device. This is properly done for the audio_startup() callback but for snd_pcm_hw_constraint_eld(). Make sure the pointer cleared if an error is reported. Signed-off-by: Jerome Brunet Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/hdmi-codec.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 90b5948e0ff36..cba5b5a29da0f 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -137,8 +137,12 @@ static int hdmi_codec_startup(struct snd_pcm_substream *substream, if (!ret) { ret = snd_pcm_hw_constraint_eld(substream->runtime, hcp->eld); - if (ret) + if (ret) { + mutex_lock(&hcp->current_stream_lock); + hcp->current_stream = NULL; + mutex_unlock(&hcp->current_stream_lock); return ret; + } } } return 0; -- 2.20.1