From 73f6401fd1a6518ba3cc250194bed23111e3b387 Mon Sep 17 00:00:00 2001
From: Fortunate-MAN <shivashish.ahuja@gmail.com>
Date: Sat, 21 Jan 2017 18:36:49 +0530
Subject: [PATCH] All bugfixes done, left and right arrow keys ready #118

---
 platform/pc/drv/ps2/kbd/kbd.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/platform/pc/drv/ps2/kbd/kbd.c b/platform/pc/drv/ps2/kbd/kbd.c
index 15c08fb..8ef8040 100644
--- a/platform/pc/drv/ps2/kbd/kbd.c
+++ b/platform/pc/drv/ps2/kbd/kbd.c
@@ -307,13 +307,10 @@ void key_handler_util(int key)
 
 void key_handler_util_backspace()
 {
-    if(!((LENGTH_INPUT-1) < 0))
+    if(!((LENGTH_INPUT-1) < 0) && virtual_index_scank > 0)
     {
         if(active_scank == true)
-        {
-            /*buffer_scank[virtual_index_scank--] = 0;
-            index_scank --;
-            //virtual_index_scank --;*/
+        {
             if (index_scank > (unsigned)virtual_index_scank)
             {
                 for (int i = virtual_index_scank; i < (int)index_scank; i ++)
@@ -332,8 +329,11 @@ void key_handler_util_backspace()
 
         if(print_scank == true)
         {
-            //printk ("\n%d\n", virtual_index_scank);
-            if ((unsigned)virtual_index_scank + 1 < index_scank)
+            if (virtual_index_scank < 0)
+            {
+                return;
+            }
+            else if ((unsigned)virtual_index_scank + 1 < index_scank)
             {
                 int temp = LENGTH_INPUT;
                 while (temp > 0) {printk ("\b"); temp --;}