diff options
author | Johannes Berg <johannes.berg@intel.com> | 2022-06-15 10:20:45 +0300 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2022-06-20 13:57:08 +0300 |
commit | c71420db653aba30a234d1e4cf86dde376e604fa (patch) | |
tree | 1e29e5b76bc2b04a6a3e93f9b362f3380b60558b /net/mac80211/rx.c | |
parent | ce6893e917862cae669af52a440d086f416c4cc6 (diff) | |
download | linux-c71420db653aba30a234d1e4cf86dde376e604fa.tar.xz |
wifi: mac80211: RCU-ify link STA pointers
We need to be able to access these in a race-free way under
traffic while adding/removing them, so RCU-ify the pointers.
This requires passing a link_sta to a lot of functions so
we don't have to do the RCU handling everywhere.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r-- | net/mac80211/rx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0b5c34d00c14..d017ad14d7db 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3391,11 +3391,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) if (chanwidth == IEEE80211_HT_CHANWIDTH_20MHZ) max_bw = IEEE80211_STA_RX_BW_20; else - max_bw = ieee80211_sta_cap_rx_bw(rx->sta, 0); + max_bw = ieee80211_sta_cap_rx_bw(&rx->sta->deflink); /* set cur_max_bandwidth and recalc sta bw */ rx->sta->deflink.cur_max_bandwidth = max_bw; - new_bw = ieee80211_sta_cur_vht_bw(rx->sta, 0); + new_bw = ieee80211_sta_cur_vht_bw(&rx->sta->deflink); if (rx->sta->sta.deflink.bandwidth == new_bw) goto handled; @@ -3403,7 +3403,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) rx->sta->sta.deflink.bandwidth = new_bw; sband = rx->local->hw.wiphy->bands[status->band]; sta_opmode.bw = - ieee80211_sta_rx_bw_to_chan_width(rx->sta, 0); + ieee80211_sta_rx_bw_to_chan_width(&rx->sta->deflink); sta_opmode.changed = STA_OPMODE_MAX_BW_CHANGED; rate_control_rate_update(local, sband, rx->sta, 0, |