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[Xen-devel] [PATCH] xen/pciback: Fix error return code in xen_pcibk_attach()

From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

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

Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
 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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