lib-master: If log_debug is empty, don't set global debug log filter at all

global_debug_log_filter==NULL check is a bit faster.

diff --git a/src/lib-master/master-service-settings.c b/src/lib-master/master-service-settings.c
index c2cdc3553cf69bec88fafc176758e6c01703588f..f24ba8b33426ea08eebac8db961009f05e4142b3 100644 (file)
--- a/src/lib-master/master-service-settings.c
+++ b/src/lib-master/master-service-settings.c
@@ -128,6 +128,11 @@ log_filter_parse(const char *set_name, const char *set_value,
 {
        const char *error;
 
+       if (set_value[0] == '\0') {
+               *filter_r = NULL;
+               return TRUE;
+       }
+
        *filter_r = event_filter_create();
        if (master_service_log_filter_parse(*filter_r, set_value, &error) < 0) {
                *error_r = t_strdup_printf("Invalid %s: %s", set_name, error);
@@ -157,10 +162,12 @@ master_service_settings_check(void *_set, pool_t pool ATTR_UNUSED,
        struct event_filter *filter;
        if (!log_filter_parse("log_debug", set->log_debug, &filter, error_r))
                return FALSE;
+       if (filter != NULL) {
 #ifndef CONFIG_BINARY
-       event_set_global_debug_log_filter(filter);
+               event_set_global_debug_log_filter(filter);
 #endif
-       event_filter_unref(&filter);
+               event_filter_unref(&filter);
+       }
        return TRUE;
 }
 /* </settings checks> */