rndis_wlan: use u8 for key indexes

cfg80211 uses u8 for key indexes and so should rndis_wlan.

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 0e238400b046d2f23eeb92c3b9b3d96c27e467d1..d66e2980bc27bab54ddd06867a8fccd50f6cfb0c 100644 (file)
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -518,7 +518,7 @@ struct rndis_wlan_private {
        __le32 current_command_oid;
 
        /* encryption stuff */
-       int  encr_tx_key_index;
+       u8 encr_tx_key_index;
        struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
        int  wpa_version;
 
@@ -634,7 +634,7 @@ static u32 get_bcm4320_power_dbm(struct rndis_wlan_private *priv)
        }
 }
 
-static bool is_wpa_key(struct rndis_wlan_private *priv, int idx)
+static bool is_wpa_key(struct rndis_wlan_private *priv, u8 idx)
 {
        int cipher = priv->encr_keys[idx].cipher;
 
@@ -1377,7 +1377,7 @@ static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
 
 /* index must be 0 - N, as per NDIS  */
 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
-                                                               int index)
+                                                               u8 index)
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
        struct ndis_80211_wep_key ndis_key;
@@ -1387,7 +1387,7 @@ 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 (index < 0 || index >= RNDIS_WLAN_NUM_KEYS)
+       if (index >= RNDIS_WLAN_NUM_KEYS)
                return -EINVAL;
 
        if (key_len == 5)
@@ -1430,7 +1430,7 @@ static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
 }
 
 static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
-                       int index, const u8 *addr, const u8 *rx_seq,
+                       u8 index, const u8 *addr, const u8 *rx_seq,
                        int seq_len, u32 cipher, __le32 flags)
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
@@ -1438,7 +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 >= RNDIS_WLAN_NUM_KEYS) {
+       if (index >= RNDIS_WLAN_NUM_KEYS) {
                netdev_dbg(usbdev->net, "%s(): index out of range (%i)\n",
                           __func__, index);
                return -EINVAL;
@@ -1526,7 +1526,7 @@ static int add_wpa_key(struct usbnet *usbdev, const u8 *key, int key_len,
        return 0;
 }
 
-static int restore_key(struct usbnet *usbdev, int key_idx)
+static int restore_key(struct usbnet *usbdev, u8 key_idx)
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
        struct rndis_wlan_encr_key key;
@@ -1552,13 +1552,13 @@ static void restore_keys(struct usbnet *usbdev)
                restore_key(usbdev, i);
 }
 
-static void clear_key(struct rndis_wlan_private *priv, int idx)
+static void clear_key(struct rndis_wlan_private *priv, u8 idx)
 {
        memset(&priv->encr_keys[idx], 0, sizeof(priv->encr_keys[idx]));
 }
 
 /* remove_key is for both wep and wpa */
-static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
+static int remove_key(struct usbnet *usbdev, u8 index, const u8 *bssid)
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
        struct ndis_80211_remove_key remove_key;