linux-kernel - [PATCH] ALSA: cmipci: Use common error handling code in snd_cmipci

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Date:   Tue, 22 Aug 2017 20:03:50 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Bhumika Goyal <bhumirks@...il.com>,
        David Howells <dhowells@...hat.com>,
        Fabian Frederick <fabf@...net.be>,
        Jaroslav Kysela <perex@...ex.cz>,
        Julia Lawall <Julia.Lawall@...6.fr>,
        Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] ALSA: cmipci: Use common error handling code in
 snd_cmipci_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 22 Aug 2017 19:58:30 +0200

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/pci/cmipci.c | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index a460cb63e971..27817c84f6ef 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -3295,20 +3295,23 @@ static int snd_cmipci_probe(struct pci_dev *pci,
 		break;
 	}
 
-	if ((err = snd_cmipci_create(card, pci, dev, &cm)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_cmipci_create(card, pci, dev, &cm);
+	if (err < 0)
+		goto free_card;
+
 	card->private_data = cm;
 
-	if ((err = snd_card_register(card)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_card_register(card);
+	if (err < 0)
+		goto free_card;
+
 	pci_set_drvdata(pci, card);
 	dev++;
 	return 0;
 
+free_card:
+	snd_card_free(card);
+	return err;
 }
 
 static void snd_cmipci_remove(struct pci_dev *pci)
-- 
2.14.0