[PATCH 2/5] conf: Introduce virDomainVideoDefClear helper

[Erik Skultety <eskultet@xxxxxxxxxx>]

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@xxxxxxxxxx>
---
 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 70686ebd88..87dbb9a433 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -2549,7 +2549,8 @@ virDomainVideoDefNew(void)
 }
 
 
-void virDomainVideoDefFree(virDomainVideoDefPtr def)
+void
+virDomainVideoDefClear(virDomainVideoDefPtr def)
 {
     if (!def)
         return;
@@ -2559,6 +2560,17 @@ 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 f31c78d5e6..834a7c1d7f 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -2891,6 +2891,7 @@ 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;
-- 
2.14.4

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