libxl: don't write physical-device node for driver domain disks

This will be handled by the driver domain itself, since the toolstack
does not have access to the physical device because it is in a
different domain.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 87bda724bfb842f9e8f32a31bbe51fa31d4b4f54..bc91fd5abf6487432ecf4995c9154828d0e1f062 100644 (file)
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2104,7 +2104,8 @@ static void device_disk_add(libxl__egc *egc, uint32_t domid,
                  * responsible for this since the block device may not
                  * exist yet.
                  */
-                if (!disk->script) {
+                if (!disk->script &&
+                    disk->backend_domid == LIBXL_TOOLSTACK_DOMID) {
                     int major, minor;
                     libxl__device_physdisk_major_minor(dev, &major, &minor);
                     flexarray_append_pair(back, "physical-device",