xen/pciback: Fix error return code in xen_pcibk_attach()
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>
Reviewed-by Jan Beulich <jbeulich@suse.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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 @@
"version mismatch (%s/%s) with pcifront - "
"halting " DRV_NAME,
magic, XEN_PCI_MAGIC);
+ err = -EFAULT;
goto out;
}
