diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-06-17 15:16:36 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-15 11:43:12 +0200 |
| commit | 6858ad75c228e8c47840afeda0f752b50f2e840c (patch) | |
| tree | dde5c7f9f655d6d987dd78948070814cf5bbc76c | |
| parent | 912fa56b27631ba4d9b6c59a9f6d7c53ae2795b2 (diff) | |
| download | linux-6858ad75c228e8c47840afeda0f752b50f2e840c.tar.bz2 | |
wifi: mac80211: consistently use sdata_dereference()
Instead of open-coding it, use sdata_dereference().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/ibss.c | 12 | ||||
| -rw-r--r-- | net/mac80211/mesh.c | 9 |
2 files changed, 7 insertions, 14 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 65b6255c6747..d30a82f1620b 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -255,8 +255,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata, drv_leave_ibss(local, sdata); } - presp = rcu_dereference_protected(ifibss->presp, - lockdep_is_held(&sdata->wdev.mtx)); + presp = sdata_dereference(ifibss->presp, sdata); RCU_INIT_POINTER(ifibss->presp, NULL); if (presp) kfree_rcu(presp, rcu_head); @@ -509,8 +508,7 @@ int ieee80211_ibss_csa_beacon(struct ieee80211_sub_if_data *sdata, rcu_read_unlock(); cfg80211_put_bss(sdata->local->hw.wiphy, cbss); - old_presp = rcu_dereference_protected(ifibss->presp, - lockdep_is_held(&sdata->wdev.mtx)); + old_presp = sdata_dereference(ifibss->presp, sdata); presp = ieee80211_ibss_build_presp(sdata, sdata->vif.bss_conf.beacon_int, @@ -714,8 +712,7 @@ static void ieee80211_ibss_disconnect(struct ieee80211_sub_if_data *sdata) sdata->vif.cfg.ssid_len = 0; /* remove beacon */ - presp = rcu_dereference_protected(ifibss->presp, - lockdep_is_held(&sdata->wdev.mtx)); + presp = sdata_dereference(ifibss->presp, sdata); RCU_INIT_POINTER(sdata->u.ibss.presp, NULL); if (presp) kfree_rcu(presp, rcu_head); @@ -1530,8 +1527,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, sdata_assert_lock(sdata); - presp = rcu_dereference_protected(ifibss->presp, - lockdep_is_held(&sdata->wdev.mtx)); + presp = sdata_dereference(ifibss->presp, sdata); if (ifibss->state != IEEE80211_IBSS_MLME_JOINED || len < 24 + 2 || !presp) diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 13722a7f2254..6160211a7eee 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -993,8 +993,7 @@ ieee80211_mesh_rebuild_beacon(struct ieee80211_sub_if_data *sdata) struct beacon_data *old_bcn; int ret; - old_bcn = rcu_dereference_protected(sdata->u.mesh.beacon, - lockdep_is_held(&sdata->wdev.mtx)); + old_bcn = sdata_dereference(sdata->u.mesh.beacon, sdata); ret = ieee80211_mesh_build_beacon(&sdata->u.mesh); if (ret) /* just reuse old beacon */ @@ -1084,8 +1083,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata) ieee80211_link_info_change_notify(sdata, 0, BSS_CHANGED_BEACON_ENABLED); /* remove beacon */ - bcn = rcu_dereference_protected(ifmsh->beacon, - lockdep_is_held(&sdata->wdev.mtx)); + bcn = sdata_dereference(ifmsh->beacon, sdata); RCU_INIT_POINTER(ifmsh->beacon, NULL); kfree_rcu(bcn, rcu_head); @@ -1380,8 +1378,7 @@ int ieee80211_mesh_finish_csa(struct ieee80211_sub_if_data *sdata) ifmsh->chsw_ttl = 0; /* Remove the CSA and MCSP elements from the beacon */ - tmp_csa_settings = rcu_dereference_protected(ifmsh->csa, - lockdep_is_held(&sdata->wdev.mtx)); + tmp_csa_settings = sdata_dereference(ifmsh->csa, sdata); RCU_INIT_POINTER(ifmsh->csa, NULL); if (tmp_csa_settings) kfree_rcu(tmp_csa_settings, rcu_head); |