From: weiyj_lk@163.com
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        David Vrabel <david.vrabel@citrix.com>
Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
        xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Subject: [PATCH] xen/pciback: Fix error return code in xen_pcibk_attach()
Date: Sun, 20 Jul 2014 13:46:01 +0800
Message-Id: <1405835161-8546-1-git-send-email-weiyj_lk@163.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org

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

Fix to return -EFAULT from the error handling case instead of 0 when
version mismatch with pcifront.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/xen/xen-pciback/xenbus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 4a7e6e0..c214daa 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -174,6 +174,7 @@ static int xen_pcibk_attach(struct xen_pcibk_device *pdev)
 				 "version mismatch (%s/%s) with pcifront - "
 				 "halting " DRV_NAME,
 				 magic, XEN_PCI_MAGIC);
+		err = -EFAULT;
 		goto out;
 	}
 

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