VOL-1900 lint warning fixes

Change-Id: Ibbe15bc887f0ed9e0de4d01b522f0a0429773b44
diff --git a/cli/util/menuProcessor.go b/cli/util/menuProcessor.go
index 52bf6bb..e0cfbc3 100644
--- a/cli/util/menuProcessor.go
+++ b/cli/util/menuProcessor.go
@@ -19,6 +19,8 @@
 import (
 	"fmt"
 	"os"
+
+	"github.com/opencord/voltha-lib-go/v2/pkg/log"
 )
 
 /*
@@ -33,7 +35,10 @@
 	input := ""
 	fmt.Print(inputPrompt)
 	for {
-		os.Stdin.Read(b)
+		_, err := os.Stdin.Read(b)
+		if err != nil {
+			log.Errorw("unable-to-read-from-stdin-file", log.Fields{"error": err})
+		}
 		char := string(b)
 		if char == "\t" || char == "\n" || char == "?" {
 			fmt.Println("")
diff --git a/cli/util/parseCmd.go b/cli/util/parseCmd.go
index 8f9d13d..aa78589 100644
--- a/cli/util/parseCmd.go
+++ b/cli/util/parseCmd.go
@@ -21,6 +21,7 @@
 	"strings"
 )
 
+// Test makes a bunch on new commands available
 func Test(chars string, values []string) ([]string, string) {
 
 	var ret []string
@@ -56,12 +57,14 @@
 	return ret, chars
 }
 
+// Route will fetch information with respect to table fields
 func Route(command string, table map[string]func(bool), enterPressed bool) {
 	cmd := table[command]
 	cmd(enterPressed)
 
 }
 
+// Exit will come out of connected session
 func Exit(notUsed bool) {
 	os.Exit(0)
 }
diff --git a/cli/util/tableGen.go b/cli/util/tableGen.go
index 8ead5fd..7672eb5 100644
--- a/cli/util/tableGen.go
+++ b/cli/util/tableGen.go
@@ -21,6 +21,7 @@
 	"strings"
 )
 
+// BuildTable populates input data in tabular format
 func BuildTable(keys []string, rows []map[string]string) (string, error) {
 	var returnString string
 	fieldSizes := make(map[string]int)