init_log_streams: check if log_filename is empty.

Fixes #3262.

diff --git a/src/main.cpp b/src/main.cpp
index 53f8a1fb77f95b33b318db44ccc2cbf377204447..d5fcae2f79caeb7a55adc696289ae2768bc89b5f 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -540,7 +540,7 @@ static void init_log_streams(const Settings &cmd_args)
                conf_loglev = lev_name[lev_i];
        }
 
-       if (conf_loglev.empty())  // No logging
+       if (log_filename.empty() || conf_loglev.empty())  // No logging
                return;
 
        LogLevel log_level = Logger::stringToLevel(conf_loglev);