From c679e8a41d01fd972cd4806da559bf8a0df34490 Mon Sep 17 00:00:00 2001
From: Yi Wang <wang.yi59@zte.com.cn>
Date: Wed, 24 May 2017 22:20:16 -0400
Subject: [PATCH] qemu: Fix memory leak in qemuDomainUpdateMemoryDeviceInfo

The @meminfo allocated in qemuMonitorGetMemoryDeviceInfo() may be
lost when qemuDomainObjExitMonitor() failed.

Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_domain.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index c8dc748139..d9f336b98a 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -5767,8 +5767,10 @@ qemuDomainUpdateMemoryDeviceInfo(virQEMUDriverPtr driver,
 
     rc = qemuMonitorGetMemoryDeviceInfo(priv->mon, &meminfo);
 
-    if (qemuDomainObjExitMonitor(driver, vm) < 0)
+    if (qemuDomainObjExitMonitor(driver, vm) < 0) {
+        virHashFree(meminfo);
         return -1;
+    }
 
     /* if qemu doesn't support the info request, just carry on */
     if (rc == -2)