34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From: Felix Fietkau <nbd@openwrt.org>
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Date: Fri, 21 Nov 2014 23:27:33 +0100
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Subject: [PATCH] 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
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packet (which needs to be handled by hw/driver instead).
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Reported-by: Jouni Malinen <j@w1.fi>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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---
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--- a/net/mac80211/rate.c
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+++ b/net/mac80211/rate.c
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@@ -446,7 +446,8 @@ static void rate_fixup_ratelist(struct i
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*
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* XXX: Should this check all retry rates?
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*/
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- if (!(rates[0].flags & IEEE80211_TX_RC_MCS)) {
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+ if (!(rates[0].flags &
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+ (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))) {
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u32 basic_rates = vif->bss_conf.basic_rates;
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s8 baserate = basic_rates ? ffs(basic_rates) - 1 : 0;
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--- a/net/mac80211/tx.c
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+++ b/net/mac80211/tx.c
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@@ -60,7 +60,7 @@ static __le16 ieee80211_duration(struct
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rcu_read_unlock();
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/* assume HW handles this */
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- if (tx->rate.flags & IEEE80211_TX_RC_MCS)
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+ if (tx->rate.flags & (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))
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return 0;
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/* uh huh? */
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