diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-06-17 22:36:37 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-07-15 11:43:14 +0200 |
| commit | d8675a63518c6148827838058feb7f18403faed1 (patch) | |
| tree | fbdee52aa9f31da2b33ad5804cc4ea76a9a82a24 /net/mac80211/driver-ops.h | |
| parent | 3d1cc7cdf2e848181398837fe158bf0850d29ee6 (diff) | |
wifi: mac80211: RCU-ify link/link_conf pointers
Since links can be added and removed dynamically, we need to
somehow protect the sdata->link[] and vif->link_conf[] array
pointers from disappearing when accessing them without locks.
RCU-ify the pointers to achieve this, which requires quite a
bit of rework.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.h')
| -rw-r--r-- | net/mac80211/driver-ops.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index db38c8cc9d8f..ee3ac1a01bb0 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -167,6 +167,7 @@ static inline void drv_vif_cfg_changed(struct ieee80211_local *local, static inline void drv_link_info_changed(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, + struct ieee80211_bss_conf *info, int link_id, u64 changed) { might_sleep(); @@ -189,13 +190,13 @@ static inline void drv_link_info_changed(struct ieee80211_local *local, if (!check_sdata_in_driver(sdata)) return; - trace_drv_link_info_changed(local, sdata, link_id, changed); + trace_drv_link_info_changed(local, sdata, info, link_id, changed); if (local->ops->link_info_changed) local->ops->link_info_changed(&local->hw, &sdata->vif, - link_id, changed); + info, link_id, changed); else if (local->ops->bss_info_changed) local->ops->bss_info_changed(&local->hw, &sdata->vif, - &sdata->vif.bss_conf, changed); + info, changed); trace_drv_return_void(local); } @@ -995,8 +996,7 @@ static inline int drv_start_ap(struct ieee80211_local *local, if (!check_sdata_in_driver(sdata)) return -EIO; - trace_drv_start_ap(local, sdata, sdata->vif.link_conf[link_id], - link_id); + trace_drv_start_ap(local, sdata, link_id); if (local->ops->start_ap) ret = local->ops->start_ap(&local->hw, &sdata->vif, link_id); trace_drv_return_int(local, ret); |