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@xxxxxxxxxxxxxxxx>
---
v2: Allow empty rateset
v3: Indentation
net/wireless/nl80211.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
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(
--
1.7.4.1
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