[Xen-devel] [PATCH 3/3] drm/xen-front: Fix loop timeout

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

If the loop times out then we want to exit with "to" set to zero, but in
the current code it's set to -1.

Fixes: c575b7eeb89f ("drm/xen-front: Add support for Xen PV display frontend")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/xen/xen_drm_front.c 
b/drivers/gpu/drm/xen/xen_drm_front.c
index 378cb7ce0db5..3345ac71b391 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -778,7 +778,7 @@ static int xen_drv_remove(struct xenbus_device *dev)
         */
        while ((xenbus_read_unsigned(front_info->xb_dev->otherend, "state",
                                     XenbusStateUnknown) != 
XenbusStateInitWait) &&
-                                    to--)
+                                    --to)
                msleep(10);
 
        if (!to) {

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