diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/cfg80211.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 6b6bf938feef..12f2f616d380 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -2582,28 +2582,34 @@ static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon, /* skip element id and length */ rsn_ie += 2; - /* skip version, group cipher */ - if (rsn_ie_len < 6) + /* skip version */ + if (rsn_ie_len < 2) return -EINVAL; - rsn_ie += 6; - rsn_ie_len -= 6; + rsn_ie += 2; + rsn_ie_len -= 2; + + /* skip group cipher suite */ + if (rsn_ie_len < 4) + return 0; + rsn_ie += 4; + rsn_ie_len -= 4; /* skip pairwise cipher suite */ if (rsn_ie_len < 2) - return -EINVAL; + return 0; cnt = get_unaligned_le16(rsn_ie); rsn_ie += (2 + cnt * 4); rsn_ie_len -= (2 + cnt * 4); /* skip akm suite */ if (rsn_ie_len < 2) - return -EINVAL; + return 0; cnt = get_unaligned_le16(rsn_ie); rsn_ie += (2 + cnt * 4); rsn_ie_len -= (2 + cnt * 4); if (rsn_ie_len < 2) - return -EINVAL; + return 0; memcpy(rsn_capab, rsn_ie, 2); |