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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 A6397C282CE for ; Wed, 22 May 2019 19:36:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 679C120675 for ; Wed, 22 May 2019 19:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558553801; bh=MNhVoFkf2AEfTAUPHCdj8znk6AzxQ8PvrDxKYZSy9LA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HYM2aCzcyulzXHWE44mH5exSDy+dCui4ONHJBHA5UmOEnd4Fsi15gtRefTHTo1eFr X9ifD+I9QvVVUTwgf5PjF3eYAq7uLROSs03DGF3bMB9kvCTbZC7+Hq9C68XoHa3PE7 hziW9xQcgLm5OiSC/n8PbxvMqrnUnS/UcF7qEJtA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732870AbfEVTam (ORCPT ); Wed, 22 May 2019 15:30:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:53942 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733256AbfEVTa3 (ORCPT ); Wed, 22 May 2019 15:30:29 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 52E6520879; Wed, 22 May 2019 19:30:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558553428; bh=MNhVoFkf2AEfTAUPHCdj8znk6AzxQ8PvrDxKYZSy9LA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JbCRlXb1/F+dZquAz6hyAXSSymxu2K2DUQ2C0aQarPQWUuGTw9fH/aiILEWjqtZqw dQSkK+cwpXH70J9/Q1mxJSqecgPqiNzxMjfYmlsBsLBOBsdy3dpUTFpCCNV2PFLb/f gwmH3gGMVT0dUudlk84UrT+pfJ93l0qKF0IJkA/E= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jerome Brunet , Mark Brown , Sasha Levin Subject: [PATCH AUTOSEL 4.9 007/114] ASoC: hdmi-codec: unlock the device on startup errors Date: Wed, 22 May 2019 15:28:30 -0400 Message-Id: <20190522193017.26567-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190522193017.26567-1-sashal@kernel.org> References: <20190522193017.26567-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jerome Brunet [ 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