From: Matthew Daley <mattd@bugfuzz.com>
Date: Sat, 14 Dec 2013 01:15:21 +0000 (+1300)
Subject: xl: check for libxl_list_vm failure in print_uptime
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~5754
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22?a=commitdiff_plain;h=df34300fdbb63dffa32e2b158ab5c34fdd0facb5;p=xen.git

xl: check for libxl_list_vm failure in print_uptime

Signed-off-by: Matthew Daley <mattd@bugfuzz.com>
---

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index bd26bccd75..7c5b9ec1da 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -6245,6 +6245,10 @@ static void print_uptime(int short_mode, uint32_t doms[], int nb_doms)
     if (nb_doms == 0) {
         print_dom0_uptime(short_mode, now);
         info = libxl_list_vm(ctx, &nb_vm);
+        if (info == NULL) {
+            fprintf(stderr, "Could not list vms.\n");
+            return;
+        }
         for (i = 0; i < nb_vm; i++)
             print_domU_uptime(info[i].domid, short_mode, now);
         libxl_vminfo_list_free(info, nb_vm);