From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Wed, 29 Feb 2012 14:25:00 +0000 (+0200)
Subject: rndis_wlan: use RNDIS_WLAN_NUM_KEYS for all key index checks
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f096ce6d244a380a78e19a7d7a25d9a4a6a6c9b7;p=openwrt%2Fstaging%2Fblogic.git

rndis_wlan: use RNDIS_WLAN_NUM_KEYS for all key index checks

Use new RNDIS_WLAN_NUM_KEYS for checks in add_wep_key() and add_wpa_key().

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index c831c1f2bd07..0e238400b046 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1387,13 +1387,15 @@ static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
 	netdev_dbg(usbdev->net, "%s(idx: %d, len: %d)\n",
 		   __func__, index, key_len);
 
-	if ((key_len != 5 && key_len != 13) || index < 0 || index > 3)
+	if (index < 0 || index >= RNDIS_WLAN_NUM_KEYS)
 		return -EINVAL;
 
 	if (key_len == 5)
 		cipher = WLAN_CIPHER_SUITE_WEP40;
-	else
+	else if (key_len == 13)
 		cipher = WLAN_CIPHER_SUITE_WEP104;
+	else
+		return -EINVAL;
 
 	memset(&ndis_key, 0, sizeof(ndis_key));
 
@@ -1436,7 +1438,7 @@ static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
 	bool is_addr_ok;
 	int ret;
 
-	if (index < 0 || index >= 4) {
+	if (index < 0 || index >= RNDIS_WLAN_NUM_KEYS) {
 		netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
 			   __func__, index);
 		return -EINVAL;