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authorBala Shanmugam <bkamatch@qca.qualcomm.com>2012-04-20 15:42:58 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-04-23 21:37:41 +0200
commit218d2e26dceb241e4b253c5c4702ee1b38b715cc (patch)
tree3ae9e3da50fc6ed24ab12c2c6ea7d1e2516bef08 /net/wireless
parentmac80211: declare ieee80211_ave_rssi as EXPORT (diff)
downloadlinux-218d2e26dceb241e4b253c5c4702ee1b38b715cc.tar.xz
linux-218d2e26dceb241e4b253c5c4702ee1b38b715cc.zip
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 <bkamatch@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
-rw-r--r--net/wireless/nl80211.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index bcf6f70e518d..140c1d291d4e 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(