linux-kernel - [PATCH -next] tifm: fix error return code in tifm_7xx1

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Date:	Wed, 30 Oct 2013 13:35:20 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	oakad@...oo.com, arnd@...db.de, gregkh@...uxfoundation.org
Cc:	yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH -next] tifm: fix error return code in tifm_7xx1_probe()

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

Fix to return ENODEV in the pci ioremap error handling case
instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/misc/tifm_7xx1.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index ae282a1..a606c89 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -356,8 +356,10 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
 	pci_set_drvdata(dev, fm);
 
 	fm->addr = pci_ioremap_bar(dev, 0);
-	if (!fm->addr)
+	if (!fm->addr) {
+		rc = -ENODEV;
 		goto err_out_free;
+	}
 
 	rc = request_irq(dev->irq, tifm_7xx1_isr, IRQF_SHARED, DRIVER_NAME, fm);
 	if (rc)

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