add null check before calling strdup

Change-Id: Ib161b1b67c0e104d5169d204365e3b3920a57199

diff --git a/common/tts_config_mgr.c b/common/tts_config_mgr.c
index f95a228..7d1fa03 100644 (file)
--- a/common/tts_config_mgr.c
+++ b/common/tts_config_mgr.c
@@ -479,7 +479,9 @@ static void invoke_voice_changed_event(const char* before_language, int before_v
                return;
        }
 
-       params->before_language = strdup(before_language);
+       if (NULL != before_language) {
+               params->before_language = strdup(before_language);
+       }
        params->before_voice_type = before_voice_type;
        params->current_language = strdup(current_language);
        params->current_voice_type = current_voice_type;