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-rw-r--r--drivers/xen/xen-pciback/xenbus.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 5ce878c51d03..3f0aee0a068b 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -362,7 +362,7 @@ static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev)
int err = 0;
int num_devs;
int domain, bus, slot, func;
- int substate;
+ unsigned int substate;
int i, len;
char state_str[64];
char dev_str[64];
@@ -395,10 +395,8 @@ static int xen_pcibk_reconfigure(struct xen_pcibk_device *pdev)
"configuration");
goto out;
}
- err = xenbus_scanf(XBT_NIL, pdev->xdev->nodename, state_str,
- "%d", &substate);
- if (err != 1)
- substate = XenbusStateUnknown;
+ substate = xenbus_read_unsigned(pdev->xdev->nodename, state_str,
+ XenbusStateUnknown);
switch (substate) {
case XenbusStateInitialising: