From df34300fdbb63dffa32e2b158ab5c34fdd0facb5 Mon Sep 17 00:00:00 2001 From: Matthew Daley Date: Sat, 14 Dec 2013 14:15:21 +1300 Subject: [PATCH] xl: check for libxl_list_vm failure in print_uptime Signed-off-by: Matthew Daley --- tools/libxl/xl_cmdimpl.c | 4 ++++ 1 file changed, 4 insertions(+) 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); -- 2.30.2