Fix crash in voice recognizer when it fails to load the acoustic model

diff --git a/srec/ca/acc_basi.c b/srec/ca/acc_basi.c
index b3be53e..4cc89a5 100644 (file)
--- a/srec/ca/acc_basi.c
+++ b/srec/ca/acc_basi.c
@@ -75,6 +75,11 @@ int CA_LoadAcousticSub(CA_Acoustic *hAcoust, char *subname, CA_AcoustInputParams
   {
     /* SpeechWorks image format! */
     hAcoust->swimodel = load_swimodel(subname);
+    if (hAcoust->swimodel == NULL)
+    {
+        // failed to load, load_swimodel will have printed an error to the log
+        return 0;
+    }
     hAcoust->is_loaded = ESR_TRUE;
     return 1; 
   }