diff options
-rw-r--r-- | drivers/net/wireless/marvell/libertas/cfg.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c index 3e065cbb0af9..3f35dc7a1d7d 100644 --- a/drivers/net/wireless/marvell/libertas/cfg.c +++ b/drivers/net/wireless/marvell/libertas/cfg.c @@ -416,10 +416,20 @@ static int lbs_add_cf_param_tlv(u8 *tlv) static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len) { - size_t tlv_len; + struct mrvl_ie_data *wpatlv = (struct mrvl_ie_data *)tlv; + const struct element *wpaie; + + /* Find the first RSN or WPA IE to use */ + wpaie = cfg80211_find_elem(WLAN_EID_RSN, ie, ie_len); + if (!wpaie) + wpaie = cfg80211_find_vendor_elem(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPA, + ie, ie_len); + if (!wpaie || wpaie->datalen > 128) + return 0; /* - * We need just convert an IE to an TLV. IEs use u8 for the header, + * Convert the found IE to a TLV. IEs use u8 for the header, * u8 type * u8 len * u8[] data @@ -428,14 +438,12 @@ static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len) * __le16 len * u8[] data */ - *tlv++ = *ie++; - *tlv++ = 0; - tlv_len = *tlv++ = *ie++; - *tlv++ = 0; - while (tlv_len--) - *tlv++ = *ie++; - /* the TLV is two bytes larger than the IE */ - return ie_len + 2; + wpatlv->header.type = cpu_to_le16(wpaie->id); + wpatlv->header.len = cpu_to_le16(wpaie->datalen); + memcpy(wpatlv->data, wpaie->data, wpaie->datalen); + + /* Return the total number of bytes added to the TLV buffer */ + return sizeof(struct mrvl_ie_header) + wpaie->datalen; } /* |