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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/mesh_plink.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/mesh_plink.c')
-rw-r--r--net/mac80211/mesh_plink.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index fe54ac431202..55bed9ce98fe 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -438,16 +438,18 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
sta->sta.deflink.supp_rates[sband->band] = rates;
if (ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
- elems->ht_cap_elem, sta, 0))
+ elems->ht_cap_elem,
+ &sta->deflink))
changed |= IEEE80211_RC_BW_CHANGED;
ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
- elems->vht_cap_elem, sta, 0);
+ elems->vht_cap_elem,
+ &sta->deflink);
ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap,
elems->he_cap_len,
elems->he_6ghz_capa,
- sta, 0);
+ &sta->deflink);
if (bw != sta->sta.deflink.bandwidth)
changed |= IEEE80211_RC_BW_CHANGED;