migration: fix small leaks

Spotted thanks to valgrind and tests/device-introspect-test:

==11711== 1 bytes in 1 blocks are definitely lost in loss record 6 of 14,537
==11711==    at 0x4C2EB6B: malloc (vg_replace_malloc.c:299)
==11711==    by 0x1E0CDBD8: g_malloc (gmem.c:94)
==11711==    by 0x1E0E696E: g_strdup (gstrfuncs.c:363)
==11711==    by 0x695693: migration_instance_init (migration.c:2226)
==11711==    by 0x717C4B: object_init_with_type (object.c:344)
==11711==    by 0x717E80: object_initialize_with_type (object.c:375)
==11711==    by 0x7182EB: object_new_with_type (object.c:483)
==11711==    by 0x718328: object_new (object.c:493)
==11711==    by 0x4B8A29: qmp_device_list_properties (qmp.c:542)
==11711==    by 0x4A9561: qmp_marshal_device_list_properties (qmp-marshal.c:1425)
==11711==    by 0x819D4A: do_qmp_dispatch (qmp-dispatch.c:104)
==11711==    by 0x819E82: qmp_dispatch (qmp-dispatch.c:131)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170801160419.14180-1-marcandre.lureau@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

diff --git a/migration/migration.c b/migration/migration.c
index 085c32c9945502530bbc77c642f6e2cc30313a34..c3fe0ed9cafd9a2990aace7ece2c21af1fefdd26 100644 (file)
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -2214,6 +2214,15 @@ static void migration_class_init(ObjectClass *klass, void *data)
     dc->props = migration_properties;
 }
 
+static void migration_instance_finalize(Object *obj)
+{
+    MigrationState *ms = MIGRATION_OBJ(obj);
+    MigrationParameters *params = &ms->parameters;
+
+    g_free(params->tls_hostname);
+    g_free(params->tls_creds);
+}
+
 static void migration_instance_init(Object *obj)
 {
     MigrationState *ms = MIGRATION_OBJ(obj);
@@ -2282,6 +2291,7 @@ static const TypeInfo migration_type = {
     .class_size = sizeof(MigrationClass),
     .instance_size = sizeof(MigrationState),
     .instance_init = migration_instance_init,
+    .instance_finalize = migration_instance_finalize,
 };
 
 static void register_migration_types(void)