From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Daley Subject: [PATCH] xl: check for libxl_list_vm failure in print_uptime Date: Sat, 14 Dec 2013 14:15:21 +1300 Message-ID: <1386983721-6372-1-git-send-email-mattd@bugfuzz.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: Matthew Daley , Ian Jackson , Ian Campbell , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org 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 bd26bcc..7c5b9ec 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); -- 1.7.10.4