diff options
| author |   Juergen Gross <jgross@suse.com> | 2016-10-31 14:58:41 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2016-11-07 13:55:34 +0100 |
| commit | 4e81f1caa7ff77f7fd31bd31f84b1a0dcfc8184e (patch) | |
| tree | 8d0deb9c42e7411034b940f31e06b4b8c2310023 /drivers/xen | |
| parent | xen: make use of xenbus_read_unsigned() in xen-fbfront (diff) | |
| download | wireguard-linux-4e81f1caa7ff77f7fd31bd31f84b1a0dcfc8184e.tar.xz wireguard-linux-4e81f1caa7ff77f7fd31bd31f84b1a0dcfc8184e.zip | |
xen: make use of xenbus_read_unsigned() in xen-pciback
Use xenbus_read_unsigned() instead of xenbus_scanf() when possible.
This requires to change the type of the read from int to unsigned,
but this case has been wrong before: negative values are not allowed
for the modified case.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xen-pciback/xenbus.c | 8 |
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: |