diff options
author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2012-03-30 14:33:03 +0000 |
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committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2012-04-13 17:34:26 +0000 |
commit | 77ba8fef8972854b7fad89d97a14f4f9c3eae7a8 (patch) | |
tree | 9ff02a3a2880328c5fbdecc97a3de1e48b43ddc8 /hw/xen_backend.c | |
parent | 9468e9c41a89b1c9f3a905b8959e1dd3f055c732 (diff) |
xen: handle backend deletion from xenstore
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'hw/xen_backend.c')
-rw-r--r-- | hw/xen_backend.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/hw/xen_backend.c b/hw/xen_backend.c index 2673ace185..66cb144397 100644 --- a/hw/xen_backend.c +++ b/hw/xen_backend.c @@ -592,7 +592,7 @@ static void xenstore_update_be(char *watch, char *type, int dom, struct XenDevOps *ops) { struct XenDevice *xendev; - char path[XEN_BUFSIZE], *dom0; + char path[XEN_BUFSIZE], *dom0, *bepath; unsigned int len, dev; dom0 = xs_get_domain_path(xenstore, 0); @@ -611,15 +611,16 @@ static void xenstore_update_be(char *watch, char *type, int dom, return; } - if (0) { - /* FIXME: detect devices being deleted from xenstore ... */ - xen_be_del_xendev(dom, dev); - } - xendev = xen_be_get_xendev(type, dom, dev, ops); if (xendev != NULL) { - xen_be_backend_changed(xendev, path); - xen_be_check_state(xendev); + bepath = xs_read(xenstore, 0, xendev->be, &len); + if (bepath == NULL) { + xen_be_del_xendev(dom, dev); + } else { + free(bepath); + xen_be_backend_changed(xendev, path); + xen_be_check_state(xendev); + } } } |