From b987c4c3f4829eb8a0134b687cb9748ff724f98a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Mon, 22 Sep 2014 13:54:52 +0200
Subject: [PATCH] Check for NULL in qemu monitor event filter

When virConnectDomainQemuMonitorEventRegister is called with the
VIR_CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_REGEX flag,
ignore the flag instead of crashing.

https://bugzilla.redhat.com/show_bug.cgi?id=1144920
---
 src/conf/domain_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/conf/domain_event.c b/src/conf/domain_event.c
index bf187cd361..3504b34abd 100644
--- a/src/conf/domain_event.c
+++ b/src/conf/domain_event.c
@@ -1798,7 +1798,7 @@ virDomainQemuMonitorEventStateRegisterID(virConnectPtr conn,
     if (VIR_ALLOC(data) < 0)
         return -1;
     data->flags = flags;
-    if (flags != -1) {
+    if (event && flags != -1) {
         int rflags = REG_NOSUB;
 
         if (flags & VIR_CONNECT_DOMAIN_QEMU_MONITOR_EVENT_REGISTER_NOCASE)
-- 
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