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wifi: mac80211: ibss: stop transmit when merging IBSS

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We disable the carrier, but that doesn't immediately take
effect, and as such a concurrent transmit can go into the
driver while drv_leave_ibss() is happening and confuse it.
Synchronize to avoid that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250102161730.83b58167e80e.I538751fbe1b4302d20f6ed80afb024bca6a2dbf5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2025-01-02 16:20:07 +02:00
parent aa3ce3f8fa
commit 3bf18e9916
1 changed files with 1 additions and 0 deletions
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net/mac80211/ibss.c
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@ -245,6 +245,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
sdata->vif.cfg.ibss_creator = false;
sdata->vif.bss_conf.enable_beacon = false;
netif_carrier_off(sdata->dev);
synchronize_net();
ieee80211_bss_info_change_notify(sdata,
BSS_CHANGED_IBSS |
BSS_CHANGED_BEACON_ENABLED);