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[Backport v2023.2.x] mac80211: silence warning for missing rate information #3167

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Jan 19, 2024
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[Backport v2023.2.x] mac80211: silence warning for missing rate information #3167

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30 changes: 30 additions & 0 deletions patches/openwrt/0007-mac80211-silence-warning-for-missing-rate-information.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
From: David Bauer <mail@david-bauer.net>
Date: Thu, 18 Jan 2024 00:52:09 +0100
Subject: mac80211: silence warning for missing rate information

Silence warnings for missing rate information.

These warnings do not provide value. Instead, they might rotate more
crucial information out of the kernel message ringbuffer.

Link: https://github.com/freifunk-gluon/gluon/issues/3160

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/package/kernel/mac80211/patches/subsys/999-silence-missing-rate.patch b/package/kernel/mac80211/patches/subsys/999-silence-missing-rate.patch
new file mode 100644
index 0000000000000000000000000000000000000000..a34455f78960ded59b60d3d9600823b39fc7b7a2
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/999-silence-missing-rate.patch
@@ -0,0 +1,11 @@
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -350,7 +350,7 @@ u32 airtime_link_metric_get(struct ieee8
+ return MAX_METRIC;
+
+ rate = ewma_mesh_tx_rate_avg_read(&sta->mesh->tx_rate_avg);
+- if (WARN_ON(!rate))
++ if (!rate)
+ return MAX_METRIC;
+
+ err = (fail_avg << ARITH_SHIFT) / 100;