cfg80211: use key size constants

Instead of hardcoding the key length for validation, use the
constants Zhu Yi recently added and add one for AES_CMAC too.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 34de8b2..a9173d5 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1092,6 +1092,7 @@ enum ieee80211_key_len {
        WLAN_KEY_LEN_WEP104 = 13,
        WLAN_KEY_LEN_CCMP = 16,
        WLAN_KEY_LEN_TKIP = 32,
+       WLAN_KEY_LEN_AES_CMAC = 16,
 };
 
 /*

diff --git a/net/wireless/util.c b/net/wireless/util.c
index d072bff..5be9ed7 100644 (file)
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -157,26 +157,25 @@ int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
            params->cipher != WLAN_CIPHER_SUITE_WEP104)
                return -EINVAL;
 
-       /* TODO: add definitions for the lengths to linux/ieee80211.h */
        switch (params->cipher) {
        case WLAN_CIPHER_SUITE_WEP40:
-               if (params->key_len != 5)
+               if (params->key_len != WLAN_KEY_LEN_WEP40)
                        return -EINVAL;
                break;
        case WLAN_CIPHER_SUITE_TKIP:
-               if (params->key_len != 32)
+               if (params->key_len != WLAN_KEY_LEN_TKIP)
                        return -EINVAL;
                break;
        case WLAN_CIPHER_SUITE_CCMP:
-               if (params->key_len != 16)
+               if (params->key_len != WLAN_KEY_LEN_CCMP)
                        return -EINVAL;
                break;
        case WLAN_CIPHER_SUITE_WEP104:
-               if (params->key_len != 13)
+               if (params->key_len != WLAN_KEY_LEN_WEP104)
                        return -EINVAL;
                break;
        case WLAN_CIPHER_SUITE_AES_CMAC:
-               if (params->key_len != 16)
+               if (params->key_len != WLAN_KEY_LEN_AES_CMAC)
                        return -EINVAL;
                break;
        default: