cmd/loki: minor consistency patch (#6364)

* cmd/loki: minor consistency patch

* cmd/loki: fixed a typo

cmd/loki/main.go

@@ -47,22 +47,19 @@ func main() {
 
 	// Validate the config once both the config file has been loaded
 	// and CLI flags parsed.
-	err := config.Validate()
-	if err != nil {
+	if err := config.Validate(); err != nil {
 		level.Error(util_log.Logger).Log("msg", "validating config", "err", err.Error())
 		os.Exit(1)
 	}
 
 	if config.PrintConfig {
-		err := util.PrintConfig(os.Stderr, &config)
-		if err != nil {
+		if err := util.PrintConfig(os.Stderr, &config); err != nil {
 			level.Error(util_log.Logger).Log("msg", "failed to print config to stderr", "err", err.Error())
 		}
 	}
 
 	if config.LogConfig {
-		err := util.LogConfig(&config)
-		if err != nil {
+		if err := util.LogConfig(&config); err != nil {
 			level.Error(util_log.Logger).Log("msg", "failed to log config object", "err", err.Error())
 		}
 	}
@@ -78,13 +75,13 @@ func main() {
 		if err != nil {
 			level.Error(util_log.Logger).Log("msg", "error in initializing tracing. tracing will not be enabled", "err", err)
 		}
+
 		defer func() {
 			if trace != nil {
 				if err := trace.Close(); err != nil {
 					level.Error(util_log.Logger).Log("msg", "error closing tracing", "err", err)
 				}
 			}
-
 		}()
 	}
 
@@ -96,7 +93,7 @@ func main() {
 
 	// Start Loki
 	t, err := loki.New(config.Config)
-	util_log.CheckFatal("initialising loki", err, util_log.Logger)
+	util_log.CheckFatal("initializing loki", err, util_log.Logger)
 
 	if config.ListTargets {
 		t.ListTargets()