From patchwork Mon Feb 10 03:14:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 193652 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=-6.8 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 autolearn=ham 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 E6E57C2BA83 for ; Mon, 10 Feb 2020 03:17:40 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 70D6B214DB for ; Mon, 10 Feb 2020 03:17:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="NVhSANfg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70D6B214DB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org 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 D51E91670; Mon, 10 Feb 2020 04:16:48 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D51E91670 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1581304658; bh=tKMROi0euuZb7tlxDEdSdpVHrp37LbGFY7dNSYUbAI0=; h=Date:From:To:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=NVhSANfgPhVCsSEisfiGzj7NYlx1R4wianuzKaNLMjkVWjTxSIpUWWtuCNoTaRvpG ZVQW9fECika1vwS+0V3d/OKR+6IyXkv4JTrgUjNHd0dIj+tKVWwj3lTj4fSvWosflG VoJDRXtw0oywVKBlxo2g20g5C+vxeWYX6LmCB3QY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E9F70F8028F; Mon, 10 Feb 2020 04:14:32 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 34954F80290; Mon, 10 Feb 2020 04:14:32 +0100 (CET) Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by alsa1.perex.cz (Postfix) with ESMTP id 478A4F80276 for ; Mon, 10 Feb 2020 04:14:27 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 478A4F80276 Date: 10 Feb 2020 12:14:26 +0900 X-IronPort-AV: E=Sophos;i="5.70,423,1574089200"; d="scan'208";a="38653654" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 10 Feb 2020 12:14:26 +0900 Received: from venus.renesas.com (unknown [10.166.252.89]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id D4BB84163DB7; Mon, 10 Feb 2020 12:14:26 +0900 (JST) Message-ID: <877e0vceyc.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto User-Agent: Wanderlust/2.15.9 Emacs/24.5 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") To: Mark Brown In-Reply-To: <87d0anceze.wl-kuninori.morimoto.gx@renesas.com> References: <87d0anceze.wl-kuninori.morimoto.gx@renesas.com> Cc: Linux-ALSA Subject: [alsa-devel] [PATCH v3 4/8] ASoC: soc-pcm: don't use bit-OR'ed error 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" From: Kuninori Morimoto Current soc-pcm is using bit-OR'ed error ret |= snd_soc_component_close(component, substream); ret |= snd_soc_component_hw_free(component, substream); The driver may return arbitrary error codes so they can conflict. The bit-OR'ed error works only if the return code is always consistent. This patch fixup it, and use *last* ret value. Signed-off-by: Kuninori Morimoto --- v2 -> v3 - new patch sound/soc/soc-pcm.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 7a490c0..8d8ed47 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -498,13 +498,16 @@ static int soc_pcm_components_close(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_component *component; - int i, ret = 0; + int i, r, ret = 0; for_each_rtd_components(rtd, i, component) { if (component == last) break; - ret |= snd_soc_component_close(component, substream); + r = snd_soc_component_close(component, substream); + if (r < 0) + ret = r; /* use last ret */ + snd_soc_component_module_put_when_close(component); } @@ -798,13 +801,15 @@ static int soc_pcm_components_hw_free(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_component *component; - int i, ret = 0; + int i, r, ret = 0; for_each_rtd_components(rtd, i, component) { if (component == last) break; - ret |= snd_soc_component_hw_free(component, substream); + r = snd_soc_component_hw_free(component, substream); + if (r < 0) + ret = r; /* use last ret */ } return ret;