From patchwork Tue Jun 8 14:05:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 12306955 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 77F5CC47082 for ; Tue, 8 Jun 2021 14:17:07 +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 EDD7261359 for ; Tue, 8 Jun 2021 14:17:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EDD7261359 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 619BC176A; Tue, 8 Jun 2021 16:16:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 619BC176A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1623161825; bh=Z7U7H9KVK14owLdwNBKPTO4zuzhMbDEG7l3TsT7ltAw=; h=From:To:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=RvB9xHqeMjXvEbHT+DmydG10E38IjFcnjTPoHl+Ilo83U52gWA/9AWPCnhHesD2aG tPGDldGPma23eqMXm+UBZVPlEguD5mlfsQLx8422TNuTyrg2qA5dR7AVgKNSx8KDyS V20l5bFGfEATBTyt7wzDAfz9j5cLAbnjEilrH6Xo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C10EDF805F2; Tue, 8 Jun 2021 16:06:44 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 2E9D8F805C9; Tue, 8 Jun 2021 16:06:34 +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 4D080F804E0 for ; Tue, 8 Jun 2021 16:05:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4D080F804E0 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="NbtSztIv"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="/2LR15/h" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 136521FDE5 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=16r9B/6Im4/3mQxUNyAsbqfcLxqSJ+j2o/5LIqvA/GY=; b=NbtSztIvVUrTr1niZNW4u/X44/a8Syk/bZHf70LbmEagjtDtVsKQypc/yU5bP7rbpXvaAR 8ygH06TPhu+hIoaOLmGzshdPDK421FXR9AL98TWnLFgvnP1xaQlmkmmKP+Wp20TKC4RkmB B6CfohqFxETK2PPMPnofTibLJK6JUE8= 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=16r9B/6Im4/3mQxUNyAsbqfcLxqSJ+j2o/5LIqvA/GY=; b=/2LR15/hS30YuTqcppObtmb3eUEljgMt4fpANOiQx/7sgwmPX5IZq/TGfDX2CPNBJw6E7b 5gvrGB9lJTWNPqCQ== Received: from alsa1.nue.suse.com (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 03006A3B84; Tue, 8 Jun 2021 14:05:44 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Subject: [PATCH 28/66] ALSA: intel8x0: Fix assignment in if condition Date: Tue, 8 Jun 2021 16:05:02 +0200 Message-Id: <20210608140540.17885-29-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 intel8x0 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/intel8x0.c | 46 ++++++++++++++++++++++++++++--------------- sound/pci/intel8x0m.c | 36 ++++++++++++++++++++++----------- 2 files changed, 54 insertions(+), 28 deletions(-) diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index abc710ae3226..2d1bfbcba933 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -538,7 +538,8 @@ static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, res = 0xffff; } else { res = iagetword(chip, reg + ac97->num * 0x80); - if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { + tmp = igetdword(chip, ICHREG(GLOB_STA)); + if (tmp & ICH_RCS) { /* reset RCS and preserve other R/WC bits */ iputdword(chip, ICHREG(GLOB_STA), tmp & ~(chip->codec_ready_bits | ICH_GSCI)); @@ -559,7 +560,8 @@ static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) { iagetword(chip, codec * 0x80); - if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { + tmp = igetdword(chip, ICHREG(GLOB_STA)); + if (tmp & ICH_RCS) { /* reset RCS and preserve other R/WC bits */ iputdword(chip, ICHREG(GLOB_STA), tmp & ~(chip->codec_ready_bits | ICH_GSCI)); @@ -1105,7 +1107,8 @@ static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ich runtime->hw.buffer_bytes_max = 64*1024; runtime->hw.period_bytes_max = 64*1024; } - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) return err; runtime->private_data = ichdev; return 0; @@ -2190,7 +2193,8 @@ static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, udelay(1); } } - if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0) + err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus); + if (err < 0) goto __err; pbus->private_free = snd_intel8x0_mixer_free_ac97_bus; if (ac97_clock >= 8000 && ac97_clock <= 48000) @@ -2206,7 +2210,8 @@ static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, ac97.pci = chip->pci; for (i = 0; i < codecs; i++) { ac97.num = i; - if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { + err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i]); + if (err < 0) { if (err != -EACCES) dev_err(chip->card->dev, "Unable to initialize codec #%d\n", i); @@ -2491,11 +2496,13 @@ static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing) int err; if (chip->device_type != DEVICE_ALI) { - if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0) + err = snd_intel8x0_ich_chip_init(chip, probing); + if (err < 0) return err; iagetword(chip, 0); /* clear semaphore flag */ } else { - if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0) + err = snd_intel8x0_ali_chip_init(chip, probing); + if (err < 0) return err; } @@ -2918,7 +2925,8 @@ static int snd_intel8x0_create(struct snd_card *card, *r_intel8x0 = NULL; - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -2950,7 +2958,8 @@ static int snd_intel8x0_create(struct snd_card *card, pci->device == PCI_DEVICE_ID_INTEL_440MX) chip->fix_nocache = 1; /* enable workaround */ - if ((err = pci_request_regions(pci, card->shortname)) < 0) { + err = pci_request_regions(pci, card->shortname); + if (err < 0) { kfree(chip); pci_disable_device(pci); return err; @@ -3064,7 +3073,8 @@ static int snd_intel8x0_create(struct snd_card *card, for (i = 0; i < chip->max_codecs; i++) chip->codec_isr_bits |= chip->codec_bit[i]; - if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { + err = snd_intel8x0_chip_init(chip, 1); + if (err < 0) { snd_intel8x0_free(chip); return err; } @@ -3079,7 +3089,8 @@ static int snd_intel8x0_create(struct snd_card *card, chip->irq = pci->irq; card->sync_irq = chip->irq; - 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_intel8x0_free(chip); return err; } @@ -3186,18 +3197,20 @@ static int snd_intel8x0_probe(struct pci_dev *pci, buggy_irq = 0; } - if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data, - &chip)) < 0) { + err = snd_intel8x0_create(card, pci, pci_id->driver_data, &chip); + if (err < 0) { snd_card_free(card); return err; } card->private_data = chip; - if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) { + err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_intel8x0_pcm(chip)) < 0) { + err = snd_intel8x0_pcm(chip); + if (err < 0) { snd_card_free(card); return err; } @@ -3217,7 +3230,8 @@ static int snd_intel8x0_probe(struct pci_dev *pci, } } - 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/intel8x0m.c b/sound/pci/intel8x0m.c index 6793c1ffa71b..b96fce6cbd83 100644 --- a/sound/pci/intel8x0m.c +++ b/sound/pci/intel8x0m.c @@ -342,7 +342,8 @@ static unsigned short snd_intel8x0m_codec_read(struct snd_ac97 *ac97, res = 0xffff; } else { res = iagetword(chip, reg + ac97->num * 0x80); - if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { + tmp = igetdword(chip, ICHREG(GLOB_STA)); + if (tmp & ICH_RCS) { /* reset RCS and preserve other R/WC bits */ iputdword(chip, ICHREG(GLOB_STA), tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); @@ -800,7 +801,8 @@ static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock) glob_sta = igetdword(chip, ICHREG(GLOB_STA)); - if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) + err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus); + if (err < 0) goto __err; pbus->private_free = snd_intel8x0m_mixer_free_ac97_bus; if (ac97_clock >= 8000 && ac97_clock <= 48000) @@ -809,7 +811,8 @@ static int snd_intel8x0m_mixer(struct intel8x0m *chip, int ac97_clock) ac97.pci = chip->pci; ac97.num = glob_sta & ICH_SCR ? 1 : 0; - if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) { + err = snd_ac97_mixer(pbus, &ac97, &x97); + if (err < 0) { dev_err(chip->card->dev, "Unable to initialize codec #%d\n", ac97.num); if (ac97.num == 0) @@ -927,7 +930,8 @@ static int snd_intel8x0m_chip_init(struct intel8x0m *chip, int probing) unsigned int i; int err; - if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0) + err = snd_intel8x0m_ich_chip_init(chip, probing); + if (err < 0) return err; iagetword(chip, 0); /* clear semaphore flag */ @@ -1075,7 +1079,8 @@ static int snd_intel8x0m_create(struct snd_card *card, *r_intel8x0m = NULL; - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; chip = kzalloc(sizeof(*chip), GFP_KERNEL); @@ -1089,7 +1094,8 @@ static int snd_intel8x0m_create(struct snd_card *card, chip->pci = pci; chip->irq = -1; - if ((err = pci_request_regions(pci, card->shortname)) < 0) { + err = pci_request_regions(pci, card->shortname); + if (err < 0) { kfree(chip); pci_disable_device(pci); return err; @@ -1167,7 +1173,8 @@ static int snd_intel8x0m_create(struct snd_card *card, pci_set_master(pci); - if ((err = snd_intel8x0m_chip_init(chip, 1)) < 0) { + err = snd_intel8x0m_chip_init(chip, 1); + if (err < 0) { snd_intel8x0m_free(chip); return err; } @@ -1181,7 +1188,8 @@ static int snd_intel8x0m_create(struct snd_card *card, chip->irq = pci->irq; card->sync_irq = chip->irq; - 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_intel8x0m_free(chip); return err; } @@ -1238,17 +1246,20 @@ static int snd_intel8x0m_probe(struct pci_dev *pci, } strcat(card->shortname," Modem"); - if ((err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip)) < 0) { + err = snd_intel8x0m_create(card, pci, pci_id->driver_data, &chip); + if (err < 0) { snd_card_free(card); return err; } card->private_data = chip; - if ((err = snd_intel8x0m_mixer(chip, ac97_clock)) < 0) { + err = snd_intel8x0m_mixer(chip, ac97_clock); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_intel8x0m_pcm(chip)) < 0) { + err = snd_intel8x0m_pcm(chip); + if (err < 0) { snd_card_free(card); return err; } @@ -1258,7 +1269,8 @@ static int snd_intel8x0m_probe(struct pci_dev *pci, sprintf(card->longname, "%s at irq %i", card->shortname, chip->irq); - if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_card_free(card); return err; }