Fix: return an error if no trace can be opened

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 11c10cf8aa488657ac9fae1fcd0ac9e98d01525e..c377935edb4eee708113d50dd86ac5e6c54edb1a 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -400,10 +400,15 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
                }
        }
 
-       g_array_free(trace_ids, TRUE);
-       return ret;
-
 error:
+       /*
+        * Return an error if no trace can be opened.
+        */
+       if (ret == 0 && trace_ids->len == 0) {
+               fprintf(stderr, "[error] Cannot open any trace for reading.\n\n");
+               ret = -ENOENT;
+       }
+       g_array_free(trace_ids, TRUE);
        return ret;
 }