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Message-ID: <20241104105454.97918-2-sashal@kernel.org>
Date: Mon, 4 Nov 2024 05:54:43 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Ben Greear <greearb@...delatech.com>,
Johannes Berg <johannes.berg@...el.com>,
Sasha Levin <sashal@...nel.org>,
johannes@...solutions.net,
linux-wireless@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 2/6] mac80211: fix user-power when emulating chanctx
From: Ben Greear <greearb@...delatech.com>
[ Upstream commit 9b15c6cf8d2e82c8427cd06f535d8de93b5b995c ]
ieee80211_calc_hw_conf_chan was ignoring the configured
user_txpower. If it is set, use it to potentially decrease
txpower as requested.
Signed-off-by: Ben Greear <greearb@...delatech.com>
Link: https://patch.msgid.link/20241010203954.1219686-1-greearb@candelatech.com
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
net/mac80211/main.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index ae90ac3be59aa..8b3eead8989dd 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -144,6 +144,8 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
}
power = ieee80211_chandef_max_power(&chandef);
+ if (local->user_power_level != IEEE80211_UNSET_POWER_LEVEL)
+ power = min(local->user_power_level, power);
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
--
2.43.0
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