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authorJohannes Berg <johannes.berg@intel.com>2022-06-15 10:20:45 +0300
committerJohannes Berg <johannes.berg@intel.com>2022-06-20 13:57:08 +0300
commitc71420db653aba30a234d1e4cf86dde376e604fa (patch)
tree1e29e5b76bc2b04a6a3e93f9b362f3380b60558b /net/mac80211/tdls.c
parentce6893e917862cae669af52a440d086f416c4cc6 (diff)
downloadlinux-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/tdls.c')
-rw-r--r--net/mac80211/tdls.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 4fc120c64022..c531fa17f426 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -308,7 +308,8 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata,
/* IEEE802.11ac-2013 Table E-4 */
u16 centers_80mhz[] = { 5210, 5290, 5530, 5610, 5690, 5775 };
struct cfg80211_chan_def uc = sta->tdls_chandef;
- enum nl80211_chan_width max_width = ieee80211_sta_cap_chan_bw(sta, 0);
+ enum nl80211_chan_width max_width =
+ ieee80211_sta_cap_chan_bw(&sta->deflink);
int i;
/* only support upgrading non-narrow channels up to 80Mhz */
@@ -1268,7 +1269,7 @@ static void iee80211_tdls_recalc_chanctx(struct ieee80211_sub_if_data *sdata,
enum ieee80211_sta_rx_bandwidth bw;
bw = ieee80211_chan_width_to_rx_bw(conf->def.width);
- bw = min(bw, ieee80211_sta_cap_rx_bw(sta, 0));
+ bw = min(bw, ieee80211_sta_cap_rx_bw(&sta->deflink));
if (bw != sta->sta.deflink.bandwidth) {
sta->sta.deflink.bandwidth = bw;
rate_control_rate_update(local, sband, sta, 0,