linux-kernel - [PATCH 2/3] ALSA: rme32: Use common error handling code in snd_rme32

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Date:   Fri, 17 Nov 2017 22:18:04 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Bhumika Goyal <bhumirks@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Takashi Sakamoto <o-takashi@...amocchi.jp>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 2/3] ALSA: rme32: Use common error handling code in
 snd_rme32_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Fri, 17 Nov 2017 21:14:48 +0100

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/rme32.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index e58e9873c514..9e6e0fe3a285 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -1972,10 +1972,8 @@ snd_rme32_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 		rme32->fullduplex_mode = 1;
 
 	err = snd_rme32_create(rme32);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto free_card;
 
 	strcpy(card->driver, "Digi32");
 	switch (rme32->pci->device) {
@@ -1993,13 +1991,16 @@ snd_rme32_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
 		card->shortname, rme32->rev, rme32->port, rme32->irq);
 
 	err = snd_card_register(card);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	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_rme32_remove(struct pci_dev *pci)
-- 
2.15.0