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-rw-r--r--migration/migration.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/migration/migration.c b/migration/migration.c
index c1d88ace7f..c4c9aee15e 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -790,7 +790,8 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
     params->has_tls_hostname = true;
     params->tls_hostname = g_strdup(s->parameters.tls_hostname);
     params->has_tls_authz = true;
-    params->tls_authz = g_strdup(s->parameters.tls_authz);
+    params->tls_authz = g_strdup(s->parameters.tls_authz ?
+                                 s->parameters.tls_authz : "");
     params->has_max_bandwidth = true;
     params->max_bandwidth = s->parameters.max_bandwidth;
     params->has_downtime_limit = true;
@@ -1243,7 +1244,7 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp)
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
                    "xbzrle_cache_size",
                    "is invalid, it should be bigger than target page size"
-                   " and a power of two");
+                   " and a power of 2");
         return false;
     }