From patchwork Tue Jun 8 14:05:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 12307017 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 01835C47082 for ; Tue, 8 Jun 2021 14:21:30 +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 82A9E60FE9 for ; Tue, 8 Jun 2021 14:21:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 82A9E60FE9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de 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 2C1DD16F2; Tue, 8 Jun 2021 16:20:38 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2C1DD16F2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1623162088; bh=EWe65DrJ+mok7gl+MS1STeOR88hzkgdehmJQgEaPlho=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Y6xzQtToO3tiqTg72+pW74+yIi3qdcbyhuNbu2TunPOu8B5JsNulUyS8IdOLaI0g+ 3CVJg0ZxIbbwbVK6IRD8aYFZAduGZO934PbBbgF0QrDk1xootOAaUJbwprpOCXUSeD gcLF9NNkryTuXOXY7nSdtBozBr1IZQKauwbjzBRs= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 2F2BAF8061C; Tue, 8 Jun 2021 16:07:13 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 1774DF80536; Tue, 8 Jun 2021 16:06:53 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id BEA26F804FA for ; Tue, 8 Jun 2021 16:05:51 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz BEA26F804FA Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="F+1nRDn6"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="MCAz7O9C" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id C6FD21FDF6 for ; Tue, 8 Jun 2021 14:05:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1623161145; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UxL6ygppRuVuRIOnySsCavdhCCSMQyjQk/4Dot3lGZE=; b=F+1nRDn6PfJF54hvEuSc7rzmk5nMwSxpbaFA0P/o+RC7WgDbKStuCblGP/m1mK3gJWxvmp fVpRr1hpuvJJGQHHWhFff6D7nw24m0Jg0G1hrLLQ33+2+HaIylFXLmfrql+dPyzSREemz0 qPHsXz6g8ZS5Gv0mwMInSUWCn5zKdks= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1623161145; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UxL6ygppRuVuRIOnySsCavdhCCSMQyjQk/4Dot3lGZE=; b=MCAz7O9CV5v3mcv4SNKbVcWkmgDrGY04yHkRt0+prgT/ttMdFIg5z8ragirsYQNEdCitpd zh7OktYzUbmHdbDw== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id B77F8A3B84; Tue, 8 Jun 2021 14:05:45 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH 61/66] ALSA: opl3: Fix assignment in if condition Date: Tue, 8 Jun 2021 16:05:35 +0200 Message-Id: <20210608140540.17885-62-tiwai@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210608140540.17885-1-tiwai@suse.de> References: <20210608140540.17885-1-tiwai@suse.de> MIME-Version: 1.0 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" OPL3 helper code contains a few assignments in if condition, which is a bad coding style that may confuse readers and occasionally lead to bugs. This patch is merely for coding-style fixes, no functional changes. Signed-off-by: Takashi Iwai --- sound/drivers/opl3/opl3_lib.c | 42 ++++++++++++++++++++++------------- sound/drivers/opl3/opl3_oss.c | 6 +++-- sound/drivers/opl3/opl3_seq.c | 9 +++++--- 3 files changed, 37 insertions(+), 20 deletions(-) diff --git a/sound/drivers/opl3/opl3_lib.c b/sound/drivers/opl3/opl3_lib.c index 9259522483c8..6c1f1cc092d8 100644 --- a/sound/drivers/opl3/opl3_lib.c +++ b/sound/drivers/opl3/opl3_lib.c @@ -243,7 +243,8 @@ static int snd_opl3_timer1_init(struct snd_opl3 * opl3, int timer_no) tid.card = opl3->card->number; tid.device = timer_no; tid.subdevice = 0; - if ((err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer)) >= 0) { + err = snd_timer_new(opl3->card, "AdLib timer #1", &tid, &timer); + if (err >= 0) { strcpy(timer->name, "AdLib timer #1"); timer->private_data = opl3; timer->hw = snd_opl3_timer1; @@ -263,7 +264,8 @@ static int snd_opl3_timer2_init(struct snd_opl3 * opl3, int timer_no) tid.card = opl3->card->number; tid.device = timer_no; tid.subdevice = 0; - if ((err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer)) >= 0) { + err = snd_timer_new(opl3->card, "AdLib timer #2", &tid, &timer); + if (err >= 0) { strcpy(timer->name, "AdLib timer #2"); timer->private_data = opl3; timer->hw = snd_opl3_timer2; @@ -348,7 +350,8 @@ int snd_opl3_new(struct snd_card *card, spin_lock_init(&opl3->reg_lock); spin_lock_init(&opl3->timer_lock); - if ((err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_CODEC, opl3, &ops); + if (err < 0) { snd_opl3_free(opl3); return err; } @@ -396,19 +399,23 @@ int snd_opl3_create(struct snd_card *card, int err; *ropl3 = NULL; - if ((err = snd_opl3_new(card, hardware, &opl3)) < 0) + err = snd_opl3_new(card, hardware, &opl3); + if (err < 0) return err; if (! integrated) { - if ((opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)")) == NULL) { + opl3->res_l_port = request_region(l_port, 2, "OPL2/3 (left)"); + if (!opl3->res_l_port) { snd_printk(KERN_ERR "opl3: can't grab left port 0x%lx\n", l_port); snd_device_free(card, opl3); return -EBUSY; } - if (r_port != 0 && - (opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)")) == NULL) { - snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); - snd_device_free(card, opl3); - return -EBUSY; + if (r_port != 0) { + opl3->res_r_port = request_region(r_port, 2, "OPL2/3 (right)"); + if (!opl3->res_r_port) { + snd_printk(KERN_ERR "opl3: can't grab right port 0x%lx\n", r_port); + snd_device_free(card, opl3); + return -EBUSY; + } } } opl3->l_port = l_port; @@ -423,7 +430,8 @@ int snd_opl3_create(struct snd_card *card, break; default: opl3->command = &snd_opl2_command; - if ((err = snd_opl3_detect(opl3)) < 0) { + err = snd_opl3_detect(opl3); + if (err < 0) { snd_printd("OPL2/3 chip not detected at 0x%lx/0x%lx\n", opl3->l_port, opl3->r_port); snd_device_free(card, opl3); @@ -449,11 +457,14 @@ int snd_opl3_timer_new(struct snd_opl3 * opl3, int timer1_dev, int timer2_dev) { int err; - if (timer1_dev >= 0) - if ((err = snd_opl3_timer1_init(opl3, timer1_dev)) < 0) + if (timer1_dev >= 0) { + err = snd_opl3_timer1_init(opl3, timer1_dev); + if (err < 0) return err; + } if (timer2_dev >= 0) { - if ((err = snd_opl3_timer2_init(opl3, timer2_dev)) < 0) { + err = snd_opl3_timer2_init(opl3, timer2_dev); + if (err < 0) { snd_device_free(opl3->card, opl3->timer1); opl3->timer1 = NULL; return err; @@ -477,7 +488,8 @@ int snd_opl3_hwdep_new(struct snd_opl3 * opl3, /* create hardware dependent device (direct FM) */ - if ((err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw)) < 0) { + err = snd_hwdep_new(card, "OPL2/OPL3", device, &hw); + if (err < 0) { snd_device_free(card, opl3); return err; } diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c index c82c7c1c0714..7645365eec89 100644 --- a/sound/drivers/opl3/opl3_oss.c +++ b/sound/drivers/opl3/opl3_oss.c @@ -136,7 +136,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) if (snd_BUG_ON(!arg)) return -ENXIO; - if ((err = snd_opl3_synth_setup(opl3)) < 0) + err = snd_opl3_synth_setup(opl3); + if (err < 0) return err; /* fill the argument data */ @@ -144,7 +145,8 @@ static int snd_opl3_open_seq_oss(struct snd_seq_oss_arg *arg, void *closure) arg->addr.client = opl3->oss_chset->client; arg->addr.port = opl3->oss_chset->port; - if ((err = snd_opl3_synth_use_inc(opl3)) < 0) + err = snd_opl3_synth_use_inc(opl3); + if (err < 0) return err; opl3->synth_mode = SNDRV_OPL3_MODE_SYNTH; diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c index cd2a01b5e2e1..75de1299c3dc 100644 --- a/sound/drivers/opl3/opl3_seq.c +++ b/sound/drivers/opl3/opl3_seq.c @@ -92,7 +92,8 @@ static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe struct snd_opl3 *opl3 = private_data; int err; - if ((err = snd_opl3_synth_setup(opl3)) < 0) + err = snd_opl3_synth_setup(opl3); + if (err < 0) return err; if (use_internal_drums) { @@ -107,7 +108,8 @@ static int snd_opl3_synth_use(void *private_data, struct snd_seq_port_subscribe } if (info->sender.client != SNDRV_SEQ_CLIENT_SYSTEM) { - if ((err = snd_opl3_synth_use_inc(opl3)) < 0) + err = snd_opl3_synth_use_inc(opl3); + if (err < 0) return err; } opl3->synth_mode = SNDRV_OPL3_MODE_SEQ; @@ -227,7 +229,8 @@ static int snd_opl3_seq_probe(struct device *_dev) if (client < 0) return client; - if ((err = snd_opl3_synth_create_port(opl3)) < 0) { + err = snd_opl3_synth_create_port(opl3); + if (err < 0) { snd_seq_delete_kernel_client(client); opl3->seq_client = -1; return err;