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mac80211: add more missing checks for VHT tx rates

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Fixes a crash on attempting to calculate the frame duration for a VHT
packet (which needs to be handled by hw/driver instead).

Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2014-11-21 23:29:14 +01:00 committed by Johannes Berg
parent 24a0aa212e
commit 336004e291
2 changed files with 3 additions and 2 deletions
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3
net/mac80211/rate.c
View File

@ -446,7 +446,8 @@ static void rate_fixup_ratelist(struct ieee80211_vif *vif,
*
* XXX: Should this check all retry rates?
*/
if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
if (!(rates[0].flags &
(IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))) {
u32 basic_rates = vif->bss_conf.basic_rates;
s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0;

2
net/mac80211/tx.c
View File

@ -60,7 +60,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx,
rcu_read_unlock();
/* assume HW handles this */
if (tx->rate.flags & IEEE80211_TX_RC_MCS)
if (tx->rate.flags & (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))
return 0;
/* uh huh? */