wifi: mac80211: don't recalc min def for S1G chan ctx

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__ieee80211_recalc_chanctx_min_def() currently does not attempt
to find the min def for S1G widths, meaning the BW will never change.
However, the following call into ieee80211_chan_bw_change() will
lead to a WARN within ieee80211_chan_width_to_rx_bw(). Not only that,
this entire path is geared towards 20MHz based channels, so it doesn't
make sense anyway. For now, return early when calculating the mindef
for S1G channels.

Fixes: d879d4da45 ("wifi: mac80211: clean up initial STA NSS/bandwidth handling")
Signed-off-by: Lachlan Hodges <lachlan.hodges@morsemicro.com>
Link: https://patch.msgid.link/20260506131925.2088353-3-lachlan.hodges@morsemicro.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Lachlan Hodges 2026-05-06 23:19:25 +10:00 • committed by Johannes Berg

parent 3c18c2e545

commit 928e0abdad

1 changed files with 8 additions and 2 deletions

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net/mac80211/chan.c

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