linux-kernel - [PATCH 1/2] ALSA: pcxhr: Adjust six function calls together with a variable assignment

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Message-ID: <41a0e34c-d3b5-c9d9-1827-9977e084bd0f@users.sourceforge.net>
Date:   Thu, 16 Nov 2017 22:26:08 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Arnd Bergmann <arnd@...db.de>,
        Bhumika Goyal <bhumirks@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/2] ALSA: pcxhr: Adjust six function calls together with a
 variable assignment

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 16 Nov 2017 21:50:21 +0100

The script "checkpatch.pl" pointed information out like the following.

ERROR: do not use assignment in if condition

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/pci/pcxhr/pcxhr.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index f9ae72f28ddc..c490d7e57ff7 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -1166,9 +1166,10 @@ int pcxhr_create_pcm(struct snd_pcxhr *chip)
 	char name[32];
 
 	snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx);
-	if ((err = snd_pcm_new(chip->card, name, 0,
-			       chip->nb_streams_play,
-			       chip->nb_streams_capt, &pcm)) < 0) {
+	err = snd_pcm_new(chip->card, name, 0,
+			  chip->nb_streams_play,
+			  chip->nb_streams_capt, &pcm);
+	if (err < 0) {
 		dev_err(chip->card->dev, "cannot create pcm %s\n", name);
 		return err;
 	}
@@ -1233,7 +1234,8 @@ static int pcxhr_create(struct pcxhr_mgr *mgr,
 			chip->nb_streams_capt = 1;	/* or 1 stereo stream */
 	}
 
-	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) {
 		pcxhr_chip_free(chip);
 		return err;
 	}
@@ -1530,7 +1532,8 @@ static int pcxhr_probe(struct pci_dev *pci,
 	}
 
 	/* enable PCI device */
-	if ((err = pci_enable_device(pci)) < 0)
+	err = pci_enable_device(pci);
+	if (err < 0)
 		return err;
 	pci_set_master(pci);
 
@@ -1575,7 +1578,8 @@ static int pcxhr_probe(struct pci_dev *pci,
 		mgr->granularity = PCXHR_GRANULARITY;
 
 	/* resource assignment */
-	if ((err = pci_request_regions(pci, card_name)) < 0) {
+	err = pci_request_regions(pci, card_name);
+	if (err < 0) {
 		kfree(mgr);
 		pci_disable_device(pci);
 		return err;
@@ -1646,7 +1650,8 @@ static int pcxhr_probe(struct pci_dev *pci,
 		snprintf(card->longname, sizeof(card->longname),
 			 "%s [PCM #%d]", mgr->name, i);
 
-		if ((err = pcxhr_create(mgr, card, i)) < 0) {
+		err = pcxhr_create(mgr, card, i);
+		if (err < 0) {
 			snd_card_free(card);
 			pcxhr_free(mgr);
 			return err;
@@ -1656,7 +1661,8 @@ static int pcxhr_probe(struct pci_dev *pci,
 			/* init proc interface only for chip0 */
 			pcxhr_proc_init(mgr->chip[i]);
 
-		if ((err = snd_card_register(card)) < 0) {
+		err = snd_card_register(card);
+		if (err < 0) {
 			pcxhr_free(mgr);
 			return err;
 		}
-- 
2.15.0