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 110F0C433F5 for ; Wed, 13 Oct 2021 14:32:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC102610FB for ; Wed, 13 Oct 2021 14:32:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236921AbhJMOei (ORCPT ); Wed, 13 Oct 2021 10:34:38 -0400 Received: from mga12.intel.com ([192.55.52.136]:5099 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237023AbhJMOdn (ORCPT ); Wed, 13 Oct 2021 10:33:43 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10135"; a="207554873" X-IronPort-AV: E=Sophos;i="5.85,371,1624345200"; d="scan'208";a="207554873" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 07:31:23 -0700 X-IronPort-AV: E=Sophos;i="5.85,371,1624345200"; d="scan'208";a="524649580" Received: from ssafavib-mobl.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.209.164.198]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Oct 2021 07:31:21 -0700 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Cc: tiwai@suse.de, broonie@kernel.org, vkoul@kernel.org, Sameer Pujar , Gyeongtaek Lee , Peter Ujfalusi , Kuninori Morimoto , Pierre-Louis Bossart , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , Joe Perches , Mikhail Durnev , linux-kernel@vger.kernel.org (open list) Subject: [RFC PATCH v3 09/13] ASoC: sh: rcar: protect for_each_dpcm_be() loops Date: Wed, 13 Oct 2021 09:30:46 -0500 Message-Id: <20211013143050.244444-10-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211013143050.244444-1-pierre-louis.bossart@linux.intel.com> References: <20211013143050.244444-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Follow the locking model used within soc-pcm.c Signed-off-by: Pierre-Louis Bossart --- sound/soc/sh/rcar/core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 978bd0406729..ccd5c2d1cdc6 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -1511,6 +1511,7 @@ static int rsnd_hw_params(struct snd_soc_component *component, struct snd_soc_dpcm *dpcm; int stream = substream->stream; + snd_soc_dpcm_fe_lock_irq(fe, stream); for_each_dpcm_be(fe, stream, dpcm) { struct snd_pcm_hw_params *be_params = &dpcm->hw_params; @@ -1519,6 +1520,7 @@ static int rsnd_hw_params(struct snd_soc_component *component, if (params_rate(hw_params) != params_rate(be_params)) io->converted_rate = params_rate(be_params); } + snd_soc_dpcm_fe_unlock_irq(fe, stream); if (io->converted_chan) dev_dbg(dev, "convert channels = %d\n", io->converted_chan); if (io->converted_rate) { -- 2.25.1