mac80211: sync with master branch as of 9edff13abd97
[openwrt/staging/nbd.git] / package / kernel / mac80211 / patches / 337-mac80211-check-for-MCS-in-ieee80211_duration-before-.patch
diff --git a/package/kernel/mac80211/patches/337-mac80211-check-for-MCS-in-ieee80211_duration-before-.patch b/package/kernel/mac80211/patches/337-mac80211-check-for-MCS-in-ieee80211_duration-before-.patch
deleted file mode 100644 (file)
index 066e1d1..0000000
+++ /dev/null
@@ -1,34 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Wed, 14 Dec 2016 20:12:25 +0100
-Subject: [PATCH] mac80211: check for MCS in ieee80211_duration before fetching
- chanctx
-
-Makes the code a bit more efficient
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -63,6 +63,10 @@ static __le16 ieee80211_duration(struct
-       struct ieee80211_chanctx_conf *chanctx_conf;
-       u32 rate_flags = 0;
-+      /* assume HW handles this */
-+      if (tx->rate.flags & (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))
-+              return 0;
-+
-       rcu_read_lock();
-       chanctx_conf = rcu_dereference(tx->sdata->vif.chanctx_conf);
-       if (chanctx_conf) {
-@@ -71,10 +75,6 @@ static __le16 ieee80211_duration(struct
-       }
-       rcu_read_unlock();
--      /* assume HW handles this */
--      if (tx->rate.flags & (IEEE80211_TX_RC_MCS | IEEE80211_TX_RC_VHT_MCS))
--              return 0;
--
-       /* uh huh? */
-       if (WARN_ON_ONCE(tx->rate.idx < 0))
-               return 0;