[PATCH 5/6] libxl: Add refcnt for args->conn during migration

[John Ferlan <jferlan@xxxxxxxxxx>]

Since the @dconn reference via args->conn will be used via a thread
or callback, let's make sure memory associated with it isn't free'd
unexpectedly before we use it. The Unref will be done when the object
is Dispose'd.

Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
 src/libxl/libxl_migration.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/libxl/libxl_migration.c b/src/libxl/libxl_migration.c
index 7fe352306c..d37a4a687a 100644
--- a/src/libxl/libxl_migration.c
+++ b/src/libxl/libxl_migration.c
@@ -239,6 +239,7 @@ libxlMigrationDstArgsDispose(void *obj)
 
     libxlMigrationCookieFree(args->migcookie);
     VIR_FREE(args->socks);
+    virObjectUnref(args->conn);
     virObjectUnref(args->vm);
 }
 
@@ -608,7 +609,7 @@ libxlDomainMigrationDstPrepareTunnel3(virConnectPtr dconn,
     if (!(args = virObjectNew(libxlMigrationDstArgsClass)))
         goto error;
 
-    args->conn = dconn;
+    args->conn = virObjectRef(dconn);
     args->vm = virObjectRef(vm);
     args->flags = flags;
     args->migcookie = mig;
@@ -763,7 +764,7 @@ libxlDomainMigrationDstPrepare(virConnectPtr dconn,
     if (!(args = virObjectNew(libxlMigrationDstArgsClass)))
         goto error;
 
-    args->conn = dconn;
+    args->conn = virObjectRef(dconn);
     args->vm = virObjectRef(vm);
     args->flags = flags;
     args->socks = socks;
-- 
2.13.6

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