linux-kernel - [PATCH] pcmcia: pd6729: fix error return code in pd6729_pci

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Date:	Fri, 7 Jun 2013 10:16:54 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	wfp5p@...ginia.edu, gregkh@...uxfoundation.org,
	eric.y.miao@...il.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-pcmcia@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] pcmcia: pd6729: fix error return code in pd6729_pci_probe()

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

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

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 drivers/pcmcia/pd6729.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index b29d97e..a4c16ee 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -644,6 +644,7 @@ static int pd6729_pci_probe(struct pci_dev *dev,
 	if (!pci_resource_start(dev, 0)) {
 		dev_warn(&dev->dev, "refusing to load the driver as the "
 			"io_base is NULL.\n");
+		ret = -ENOMEM;
 		goto err_out_disable;
 	}
 
@@ -673,6 +674,7 @@ static int pd6729_pci_probe(struct pci_dev *dev,
 	mask = pd6729_isa_scan();
 	if (irq_mode == 0 && mask == 0) {
 		dev_warn(&dev->dev, "no ISA interrupt is available.\n");
+		ret = -ENODEV;
 		goto err_out_free_res;
 	}
 

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