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From f60ad6c8636b58d8559963aaf2e445bb4dd3db63 Mon Sep 17 00:00:00 2001
Message-Id: <f60ad6c8636b58d8559963aaf2e445bb4dd3db63@dist-git>
From: Erik Skultety <eskultet@redhat.com>
Date: Thu, 19 Jul 2018 15:03:51 +0200
Subject: [PATCH] conf: Introduce virDomainVideoDefClear helper
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Future patches rely on the ability to reset the contents of the
virDomainVideoDef structure rather than re-allocating it.

Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
(cherry picked from commit f317b1e5c57291644c841cb620eda86dac8642a1)

https://bugzilla.redhat.com/show_bug.cgi?id=1475770
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
 src/conf/domain_conf.c   | 14 +++++++++++++-
 src/conf/domain_conf.h   |  1 +
 src/libvirt_private.syms |  1 +
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 70eb45f03a..d23b2861ef 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -2538,7 +2538,8 @@ virDomainVideoDefNew(void)
 }
 
 
-void virDomainVideoDefFree(virDomainVideoDefPtr def)
+void
+virDomainVideoDefClear(virDomainVideoDefPtr def)
 {
     if (!def)
         return;
@@ -2548,6 +2549,17 @@ void virDomainVideoDefFree(virDomainVideoDefPtr def)
     VIR_FREE(def->accel);
     VIR_FREE(def->virtio);
     VIR_FREE(def->driver);
+
+    memset(def, 0, sizeof(*def));
+}
+
+
+void virDomainVideoDefFree(virDomainVideoDefPtr def)
+{
+    if (!def)
+        return;
+
+    virDomainVideoDefClear(def);
     VIR_FREE(def);
 }
 
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 41d27482fb..1fc1734bcc 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2884,6 +2884,7 @@ void virDomainNVRAMDefFree(virDomainNVRAMDefPtr def);
 void virDomainWatchdogDefFree(virDomainWatchdogDefPtr def);
 virDomainVideoDefPtr virDomainVideoDefNew(void);
 void virDomainVideoDefFree(virDomainVideoDefPtr def);
+void virDomainVideoDefClear(virDomainVideoDefPtr def);
 virDomainHostdevDefPtr virDomainHostdevDefNew(void);
 void virDomainHostdevDefClear(virDomainHostdevDefPtr def);
 void virDomainHostdevDefFree(virDomainHostdevDefPtr def);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 5499a368c0..5bd08d3f67 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -567,6 +567,7 @@ virDomainTPMModelTypeToString;
 virDomainUSBDeviceDefForeach;
 virDomainVideoDefaultRAM;
 virDomainVideoDefaultType;
+virDomainVideoDefClear;
 virDomainVideoDefFree;
 virDomainVideoDefNew;
 virDomainVideoTypeFromString;
-- 
2.18.0