libxl: fix libxlDriverConfigDispose for partially constructed object

libxlDriverConfigNew() use libxlDriverConfigDispose() for cleanup in
case of errors. Do not call libxlLoggerFree() on not allocated logger
(NULL).

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index df1cece82f4a903af6910db37a2edbd30a425a2e..ae369bcdabddcd201a52618607650578749a9c16 100644 (file)
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -80,7 +80,8 @@ libxlDriverConfigDispose(void *obj)
 
     virObjectUnref(cfg->caps);
     libxl_ctx_free(cfg->ctx);
-    libxlLoggerFree(cfg->logger);
+    if (cfg->logger)
+        libxlLoggerFree(cfg->logger);
 
     VIR_FREE(cfg->configDir);
     VIR_FREE(cfg->autostartDir);