xl: Check for dom0 when instructed to destroy a domain.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index e6ce1d416deb4abf765aeb319e11137c387f366a..4f03e8eb6418a8a472314b9b7f4af6efc404a9fb 100644 (file)
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -1613,6 +1613,10 @@ void destroy_domain(char *p)
 {
     int rc;
     find_domain(p);
+    if (domid == 0) {
+        fprintf(stderr, "Cannot destroy privileged domain 0.\n\n");
+        exit(-1);
+    }
     rc = libxl_domain_destroy(&ctx, domid, 0);
     if (rc) { fprintf(stderr,"destroy failed (rc=%d)\n.",rc); exit(-1); }
 }