From patchwork Tue Jun 8 14:05:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 455868 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 C2894C47082 for ; Tue, 8 Jun 2021 14:17:36 +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 4DE886135A for ; Tue, 8 Jun 2021 14:17:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4DE886135A 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 D985C1797; Tue, 8 Jun 2021 16:16:44 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D985C1797 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1623161854; bh=ORjVJb5skpt9uImgGcnFTIYdZxzMSbHn9+X8D44WFho=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=PdrM+Rqd8KGBN229prUSeOFwBPMqEkBeaxCIfUw/vQ9nKGDsfm78WbJTbaATE01C+ 34Q34NYFqRw+14mycnqQI2b2DenSy30kD4DwAp+68GeVoyw7YQ4lFLU5jStqS3m4X4 7jB6MxSzKFPyEujppb11oK/nxzSSmKT7ZLwpXYpU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 84DBAF805FA; Tue, 8 Jun 2021 16:06:47 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D58F2F805DA; Tue, 8 Jun 2021 16:06:35 +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 5FFF4F804DF for ; Tue, 8 Jun 2021 16:05:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5FFF4F804DF Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="q3rfkVga"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="wdoMspDZ" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 8B4681FDEA for ; Tue, 8 Jun 2021 14:05:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1623161144; 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=pyB09o/IF8f200Wut2OgkP6yGdR5dmzOyxbwo5Zam6Y=; b=q3rfkVgabO9QB6h1GL2mC08tyXXTotrS50wZyd7xlNoCJxVGE6b/5bGM2qoGwdiqGFpNFP Nl/ZwCgy5Bf1KEgKP5gmEl4wxBs/QALH/4j2OkbaK5GgYSiGmccmirvM0PVJEhducB2a3J NZ3sCF4QXrLEfsoQvPxfXbWu5DOjako= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1623161144; 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=pyB09o/IF8f200Wut2OgkP6yGdR5dmzOyxbwo5Zam6Y=; b=wdoMspDZQVtyIIUwBuK0n24is9pTLUddVJgpkRWQvFCDT14YbNtn/6MXjZmmQvKlj3qSIh cLgi0RcWWDDkQGBg== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 858ECA3B84; Tue, 8 Jun 2021 14:05:44 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH 37/66] ALSA: cs46xx: Fix assignment in if condition Date: Tue, 8 Jun 2021 16:05:11 +0200 Message-Id: <20210608140540.17885-38-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" PCI CS46xx driver 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/pci/cs46xx/cs46xx.c | 31 +++++++++++++-------- sound/pci/cs46xx/cs46xx_lib.c | 51 ++++++++++++++++++++++------------- sound/pci/cs46xx/dsp_spos.c | 3 ++- 3 files changed, 55 insertions(+), 30 deletions(-) diff --git a/sound/pci/cs46xx/cs46xx.c b/sound/pci/cs46xx/cs46xx.c index 1db7b4112840..358ca84cbdea 100644 --- a/sound/pci/cs46xx/cs46xx.c +++ b/sound/pci/cs46xx/cs46xx.c @@ -70,45 +70,53 @@ static int snd_card_cs46xx_probe(struct pci_dev *pci, 0, &card); if (err < 0) return err; - if ((err = snd_cs46xx_create(card, pci, - external_amp[dev], thinkpad[dev], - &chip)) < 0) { + err = snd_cs46xx_create(card, pci, + external_amp[dev], thinkpad[dev], + &chip); + if (err < 0) { snd_card_free(card); return err; } card->private_data = chip; chip->accept_valid = mmap_valid[dev]; - if ((err = snd_cs46xx_pcm(chip, 0)) < 0) { + err = snd_cs46xx_pcm(chip, 0); + if (err < 0) { snd_card_free(card); return err; } #ifdef CONFIG_SND_CS46XX_NEW_DSP - if ((err = snd_cs46xx_pcm_rear(chip, 1)) < 0) { + err = snd_cs46xx_pcm_rear(chip, 1); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_cs46xx_pcm_iec958(chip, 2)) < 0) { + err = snd_cs46xx_pcm_iec958(chip, 2); + if (err < 0) { snd_card_free(card); return err; } #endif - if ((err = snd_cs46xx_mixer(chip, 2)) < 0) { + err = snd_cs46xx_mixer(chip, 2); + if (err < 0) { snd_card_free(card); return err; } #ifdef CONFIG_SND_CS46XX_NEW_DSP if (chip->nr_ac97_codecs ==2) { - if ((err = snd_cs46xx_pcm_center_lfe(chip, 3)) < 0) { + err = snd_cs46xx_pcm_center_lfe(chip, 3); + if (err < 0) { snd_card_free(card); return err; } } #endif - if ((err = snd_cs46xx_midi(chip, 0)) < 0) { + err = snd_cs46xx_midi(chip, 0); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_cs46xx_start_dsp(chip)) < 0) { + err = snd_cs46xx_start_dsp(chip); + if (err < 0) { snd_card_free(card); return err; } @@ -124,7 +132,8 @@ static int snd_card_cs46xx_probe(struct pci_dev *pci, chip->ba1_addr, chip->irq); - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_card_free(card); return err; } diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c index 37f516e6a5c2..1e1eb17f8e07 100644 --- a/sound/pci/cs46xx/cs46xx_lib.c +++ b/sound/pci/cs46xx/cs46xx_lib.c @@ -1058,9 +1058,10 @@ static int _cs46xx_adjust_sample_rate (struct snd_cs46xx *chip, struct snd_cs46x int unlinked = cpcm->pcm_channel->unlinked; cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel); - if ( (cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, cpcm, - cpcm->hw_buf.addr, - cpcm->pcm_channel_id)) == NULL) { + cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel(chip, sample_rate, cpcm, + cpcm->hw_buf.addr, + cpcm->pcm_channel_id); + if (!cpcm->pcm_channel) { dev_err(chip->card->dev, "failed to re-create virtual PCM channel\n"); return -ENOMEM; @@ -1147,7 +1148,8 @@ static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, runtime->dma_addr = 0; runtime->dma_bytes = 0; } - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) { + err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + if (err < 0) { #ifdef CONFIG_SND_CS46XX_NEW_DSP mutex_unlock(&chip->spos_mutex); #endif @@ -1295,7 +1297,8 @@ static int snd_cs46xx_capture_hw_params(struct snd_pcm_substream *substream, runtime->dma_addr = 0; runtime->dma_bytes = 0; } - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) + err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + if (err < 0) return err; substream->ops = &snd_cs46xx_capture_indirect_ops; } @@ -1760,7 +1763,8 @@ int snd_cs46xx_pcm(struct snd_cs46xx *chip, int device) struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm)) < 0) + err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm); + if (err < 0) return err; pcm->private_data = chip; @@ -1787,7 +1791,8 @@ int snd_cs46xx_pcm_rear(struct snd_cs46xx *chip, int device) struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0) + err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm); + if (err < 0) return err; pcm->private_data = chip; @@ -1811,7 +1816,8 @@ int snd_cs46xx_pcm_center_lfe(struct snd_cs46xx *chip, int device) struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm)) < 0) + err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm); + if (err < 0) return err; pcm->private_data = chip; @@ -1835,7 +1841,8 @@ int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device) struct snd_pcm *pcm; int err; - if ((err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm)) < 0) + err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm); + if (err < 0) return err; pcm->private_data = chip; @@ -2414,7 +2421,8 @@ static void snd_cs46xx_codec_reset (struct snd_ac97 * ac97) /* test if we can write to the record gain volume register */ snd_ac97_write(ac97, AC97_REC_GAIN, 0x8a05); - if ((err = snd_ac97_read(ac97, AC97_REC_GAIN)) == 0x8a05) + err = snd_ac97_read(ac97, AC97_REC_GAIN); + if (err == 0x8a05) return; msleep(10); @@ -2476,7 +2484,8 @@ int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device) /* detect primary codec */ chip->nr_ac97_codecs = 0; dev_dbg(chip->card->dev, "detecting primary codec\n"); - if ((err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus)) < 0) + err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus); + if (err < 0) return err; chip->ac97_bus->private_free = snd_cs46xx_mixer_free_ac97_bus; @@ -2497,7 +2506,8 @@ int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device) kctl = snd_ctl_new1(&snd_cs46xx_controls[idx], chip); if (kctl && kctl->id.iface == SNDRV_CTL_ELEM_IFACE_PCM) kctl->id.device = spdif_device; - if ((err = snd_ctl_add(card, kctl)) < 0) + err = snd_ctl_add(card, kctl); + if (err < 0) return err; } @@ -2684,7 +2694,8 @@ int snd_cs46xx_midi(struct snd_cs46xx *chip, int device) struct snd_rawmidi *rmidi; int err; - if ((err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi)) < 0) + err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi); + if (err < 0) return err; strcpy(rmidi->name, "CS46XX"); snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs46xx_midi_output); @@ -3526,7 +3537,8 @@ static void hercules_mixer_init (struct snd_cs46xx *chip) struct snd_kcontrol *kctl; kctl = snd_ctl_new1(&snd_hercules_controls[idx], chip); - if ((err = snd_ctl_add(card, kctl)) < 0) { + err = snd_ctl_add(card, kctl); + if (err < 0) { dev_err(card->dev, "failed to initialize Hercules mixer (%d)\n", err); @@ -3871,7 +3883,8 @@ int snd_cs46xx_create(struct snd_card *card, *rchip = NULL; /* enable PCI device */ - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -3965,8 +3978,9 @@ int snd_cs46xx_create(struct snd_card *card, for (idx = 0; idx < 5; idx++) { region = &chip->region.idx[idx]; - if ((region->resource = request_mem_region(region->base, region->size, - region->name)) == NULL) { + region->resource = request_mem_region(region->base, region->size, + region->name); + if (!region->resource) { dev_err(chip->card->dev, "unable to request memory region 0x%lx-0x%lx\n", region->base, region->base + region->size - 1); @@ -4005,7 +4019,8 @@ int snd_cs46xx_create(struct snd_card *card, return err; } - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { snd_cs46xx_free(chip); return err; } diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index 05f3f6dc918d..1db6bc58d6a6 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -617,7 +617,8 @@ static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry, col = 0; } - if ( (symbol = cs46xx_dsp_lookup_symbol_addr (chip,i / sizeof(u32), SYMBOL_PARAMETER)) != NULL) { + symbol = cs46xx_dsp_lookup_symbol_addr(chip, i / sizeof(u32), SYMBOL_PARAMETER); + if (symbol) { col = 0; snd_iprintf (buffer,"\n%s:\n",symbol->symbol_name); }