返回值处理错误

pro/src/upg.c

@@ -571,6 +571,9 @@ int upg_board_file_check(char *path)
         LOGE("md5 check failed, invalid board firmware\n");
         r = UPG_MD5_FAIL;
     }
+    else {
+        r = UPG_OK;
+    }
     free(fb.buf);
 
     return r;