Only a positive return value indicates success.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
drivers/input/misc/xen-kbdfront.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- 4.7-rc6-xenbus_scanf.orig/drivers/input/misc/xen-kbdfront.c
+++ 4.7-rc6-xenbus_scanf/drivers/input/misc/xen-kbdfront.c
@@ -127,7 +127,8 @@ static int xenkbd_probe(struct xenbus_de
if (!info->page)
goto error_nomem;
- if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0)
+ if (xenbus_scanf(XBT_NIL, dev->otherend,
+ "feature-abs-pointer", "%d", &abs) <= 0)
abs = 0;
if (abs) {
ret = xenbus_printf(XBT_NIL, dev->nodename,
@@ -324,7 +325,7 @@ static void xenkbd_backend_changed(struc
InitWait:
ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,
"feature-abs-pointer", "%d", &val);
- if (ret < 0)
+ if (ret <= 0)
val = 0;
if (val) {
ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
