diff --git a/drivers/staging/vt6655/wroute.c b/drivers/staging/vt6655/wroute.c
index ab991618a2983222e897bf67b3c4007320c0153e..1d02040e80e0496cb786cd678e2afd11a4976f13 100644
--- a/drivers/staging/vt6655/wroute.c
+++ b/drivers/staging/vt6655/wroute.c
@@ -113,7 +113,7 @@ BOOL ROUTEbRelay (PSDevice pDevice, PBYTE pbySkbData, UINT uDataLen, UINT uNodeI
     }
 
     if (pDevice->bEnableHostWEP) {
-        if (uNodeIndex >= 0) {
+	if (uNodeIndex < MAX_NODE_NUM + 1) {
             pTransmitKey = &STempKey;
             pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite;
             pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex;
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 94ddf8bab62be9aa05bdb90dbe8c52da29f7574e..d9fa36c95230da95c61d3fcbd59b5a7680ef259c 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -3153,7 +3153,7 @@ bRelayPacketSend (
     }
 
     if (pDevice->bEnableHostWEP) {
-        if (uNodeIndex >= 0) {
+        if (uNodeIndex < MAX_NODE_NUM + 1) {
             pTransmitKey = &STempKey;
             pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite;
             pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex;