linux-kernel - [PATCH] ALSA: sis7019: fix error return code in sis_chip

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Date:	Thu, 30 May 2013 19:55:34 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	perex@...ex.cz, tiwai@...e.de, wfp5p@...ginia.edu,
	adam.buchbinder@...il.com, jkosina@...e.cz, Julia.Lawall@...6.fr
Cc:	yongjun_wei@...ndmicro.com.cn, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: sis7019: fix error return code in sis_chip_create()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Fix to return a negative error code in the pci_set_dma_mask() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 sound/pci/sis7019.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/pci/sis7019.c b/sound/pci/sis7019.c
index f2639a0..e413b4e 100644
--- a/sound/pci/sis7019.c
+++ b/sound/pci/sis7019.c
@@ -1341,7 +1341,8 @@ static int sis_chip_create(struct snd_card *card,
 	if (rc)
 		goto error_out;
 
-	if (pci_set_dma_mask(pci, DMA_BIT_MASK(30)) < 0) {
+	rc = pci_set_dma_mask(pci, DMA_BIT_MASK(30));
+	if (rc < 0) {
 		dev_err(&pci->dev, "architecture does not support 30-bit PCI busmaster DMA");
 		goto error_out_enabled;
 	}

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