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wifi: mac80211: fix monitor min_def bandwidth

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Due to reshuffling, the min_def is no longer calculated
taking a newly created monitor interface into account as
link->conf->chanctx_conf is only assigned after the new
bandwidth has been calculated. To handle this, rsvd_for
is assigned, but the monitor code didn't handle that.
Fix this by checking rsvd_for for monitor explicitly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20260715213312.9fe95421689d.I24e08f95e97deb46c6393ee732057d63e6436a2e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2026-07-21 23:29:36 +02:00
parent aa4c0a6499
commit 43473cc1b0
1 changed files with 4 additions and 2 deletions
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net/mac80211/chan.c
+4 -2
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@@ -607,10 +607,12 @@ ieee80211_get_chanctx_max_required_bw(struct ieee80211_local *local,
max_bw = max(max_bw, width);
}
if (!rsvd_for ||
rsvd_for->sdata == rcu_access_pointer(local->monitor_sdata))
if (!rsvd_for)
goto check_monitor;
if (rsvd_for->sdata == rcu_access_pointer(local->monitor_sdata))
return max(max_bw, ctx->conf.def.width);
/* Consider the link for which this chanctx is reserved/going to be assigned */
width = ieee80211_get_width_of_link(rsvd_for);
max_bw = max(max_bw, width);