From 218d2e26dceb241e4b253c5c4702ee1b38b715cc Mon Sep 17 00:00:00 2001 From: Bala Shanmugam Date: Fri, 20 Apr 2012 19:12:58 +0530 Subject: [PATCH] cfg80211: Validate legacy rateset. Legacy rates are not validated while configuring tx rateset using iw. So below cmd is accepted by nl80211. sudo iw wlan2 set bitrates legacy-2.4 1 2 3 Validate legacy rates and return error if any rate in the rateset is not valid. Signed-off-by: Bala Shanmugam Signed-off-by: John W. Linville --- net/wireless/nl80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index bcf6f70..140c1d2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -5577,6 +5577,9 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, sband, nla_data(tb[NL80211_TXRATE_LEGACY]), nla_len(tb[NL80211_TXRATE_LEGACY])); + if ((mask.control[band].legacy == 0) && + nla_len(tb[NL80211_TXRATE_LEGACY])) + return -EINVAL; } if (tb[NL80211_TXRATE_MCS]) { if (!ht_rateset_to_mask( -- 2.7.4