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/ocb.c | |
| 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/ocb.c')
| -rw-r--r-- | net/mac80211/ocb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/ocb.c b/net/mac80211/ocb.c index 0fd29d9c496c..2ca2164a3098 100644 --- a/net/mac80211/ocb.c +++ b/net/mac80211/ocb.c @@ -186,7 +186,7 @@ int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata, sdata->deflink.needed_rx_chains = sdata->local->rx_chains; mutex_lock(&sdata->local->mtx); - err = ieee80211_link_use_channel(sdata->link[0], &setup->chandef, + err = ieee80211_link_use_channel(&sdata->deflink, &setup->chandef, IEEE80211_CHANCTX_SHARED); mutex_unlock(&sdata->local->mtx); if (err) @@ -229,7 +229,7 @@ int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_OCB); mutex_lock(&sdata->local->mtx); - ieee80211_link_release_channel(sdata->link[0]); + ieee80211_link_release_channel(&sdata->deflink); mutex_unlock(&sdata->local->mtx); skb_queue_purge(&sdata->skb_queue); |