On 11/10/2011 06:28 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange"<berra...@redhat.com>

The virDomainNetGetActualBridgeName and virDomainNetGetActualDirectDev
methods both return strings that point to data in the virDomainDefPtr
struct, and should therefore not be freed. The return values should
thus be 'const char *' not 'char *'.

* src/conf/domain_conf.c, src/conf/domain_conf.h: Mark const
* src/network/bridge_driver.c: Update to use a const char *
---
  src/conf/domain_conf.c      |    4 ++--
  src/conf/domain_conf.h      |    4 ++--
  src/network/bridge_driver.c |   12 ++++++------
  3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 9528697..5a83dec 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -13046,7 +13046,7 @@ virDomainNetGetActualType(virDomainNetDefPtr iface)
      return iface->data.network.actual->type;
  }

-char *
+const char *
  virDomainNetGetActualBridgeName(virDomainNetDefPtr iface)
  {
      if (iface->type == VIR_DOMAIN_NET_TYPE_BRIDGE)
@@ -13058,7 +13058,7 @@ virDomainNetGetActualBridgeName(virDomainNetDefPtr 
iface)
      return iface->data.network.actual->data.bridge.brname;
  }

-char *
+const char *
  virDomainNetGetActualDirectDev(virDomainNetDefPtr iface)
  {
      if (iface->type == VIR_DOMAIN_NET_TYPE_DIRECT)
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 9528199..4e86d30 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1794,8 +1794,8 @@ int 
virDomainGraphicsListenSetNetwork(virDomainGraphicsDefPtr def,
              ATTRIBUTE_NONNULL(1);

  int virDomainNetGetActualType(virDomainNetDefPtr iface);
-char *virDomainNetGetActualBridgeName(virDomainNetDefPtr iface);
-char *virDomainNetGetActualDirectDev(virDomainNetDefPtr iface);
+const char *virDomainNetGetActualBridgeName(virDomainNetDefPtr iface);
+const char *virDomainNetGetActualDirectDev(virDomainNetDefPtr iface);
  int virDomainNetGetActualDirectMode(virDomainNetDefPtr iface);
  virNetDevVPortProfilePtr
  virDomainNetGetActualDirectVirtPortProfile(virDomainNetDefPtr iface);
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 5dfc294..623e4b3 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -2898,7 +2898,7 @@ networkNotifyActualDevice(virDomainNetDefPtr iface)
      struct network_driver *driver = driverState;
      virNetworkObjPtr network;
      virNetworkDefPtr netdef;
-    char *actualDev;
+    const char *actualDev;
      int ret = -1;

      if (iface->type != VIR_DOMAIN_NET_TYPE_NETWORK)
@@ -2924,8 +2924,8 @@ networkNotifyActualDevice(virDomainNetDefPtr iface)
      if (!actualDev) {
          networkReportError(VIR_ERR_INTERNAL_ERROR,
                             "%s", _("the interface uses a direct mode, but has no 
source dev"));
-            goto cleanup;
-        }
+        goto cleanup;
+    }

      netdef = network->def;
      if (netdef->nForwardIfs == 0) {
@@ -2998,7 +2998,7 @@ networkReleaseActualDevice(virDomainNetDefPtr iface)
      struct network_driver *driver = driverState;
      virNetworkObjPtr network = NULL;
      virNetworkDefPtr netdef;
-    char *actualDev;
+    const char *actualDev;
      int ret = -1;

      if (iface->type != VIR_DOMAIN_NET_TYPE_NETWORK)
@@ -3025,8 +3025,8 @@ networkReleaseActualDevice(virDomainNetDefPtr iface)
      if (!actualDev) {
          networkReportError(VIR_ERR_INTERNAL_ERROR,
                             "%s", _("the interface uses a direct mode, but has no 
source dev"));
-            goto cleanup;
-        }
+        goto cleanup;
+    }

      netdef = network->def;
      if (netdef->nForwardIfs == 0) {

ACK

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