log: cleanup

src/common/log.c

@@ -115,7 +115,7 @@ static uint8_t sink_levels(struct log_sink *log, int facility, logsrc_t src)
 	assert(log);
 
 	// Check facility
-	if (knot_unlikely(!log->facility_count || facility >= log->facility_count)) {
+	if (knot_unlikely(log->facility_count == 0 || facility >= log->facility_count)) {
 		return 0;
 	}
 
@@ -125,7 +125,7 @@ static uint8_t sink_levels(struct log_sink *log, int facility, logsrc_t src)
 static int sink_levels_set(struct log_sink *log, int facility, logsrc_t src, uint8_t levels)
 {
 	// Check facility
-	if (knot_unlikely(!log->facility_count || facility >= log->facility_count)) {
+	if (knot_unlikely(log->facility_count == 0 || facility >= log->facility_count)) {
 		return KNOT_EINVAL;
 	}
 
@@ -196,7 +196,8 @@ bool log_isopen()
 static int log_open_file(struct log_sink *log, const char* filename)
 {
 	// Check facility
-	if (knot_unlikely(!log->facility_count || LOGT_FILE + log->file_count >= log->facility_count)) {
+	if (knot_unlikely(log->facility_count  == 0 ||
+	                  LOGT_FILE + log->file_count >= log->facility_count)) {
 		return KNOT_ERROR;
 	}