From 6324f6fc3e26d8b550fe54d474cd1ea89e238622 Mon Sep 17 00:00:00 2001
From: Aniruddha Kanhere <60444055+AniruddhaKanhere@users.noreply.github.com>
Date: Thu, 1 Sep 2022 13:23:02 -0700
Subject: [PATCH] Added checks for index in ThreadLocalStorage APIs (#552)

Added checks for ( xIndex >= 0 ) in ThreadLocalStorage APIs
---
 tasks.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tasks.c b/tasks.c
index bbd0b0207..e4c3deaac 100644
--- a/tasks.c
+++ b/tasks.c
@@ -3592,7 +3592,8 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
     {
         TCB_t * pxTCB;
 
-        if( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS )
+        if( ( xIndex >= 0 ) &&
+            ( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS ) )
         {
             pxTCB = prvGetTCBFromHandle( xTaskToSet );
             configASSERT( pxTCB != NULL );
@@ -3611,7 +3612,8 @@ static portTASK_FUNCTION( prvIdleTask, pvParameters )
         void * pvReturn = NULL;
         TCB_t * pxTCB;
 
-        if( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS )
+        if( ( xIndex >= 0 ) &&
+            ( xIndex < configNUM_THREAD_LOCAL_STORAGE_POINTERS ) )
         {
             pxTCB = prvGetTCBFromHandle( xTaskToQuery );
             pvReturn = pxTCB->pvThreadLocalStoragePointers[ xIndex ];