diff options
| author |   Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> | 2020-04-09 13:59:06 +0530 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2020-04-24 11:31:20 +0200 |
| commit | 8ca47eb9f9e4e10e7e7fa695731a88941732c38d (patch) | |
| tree | d7ef27ab20d288e126be9cec3cafb816569ae223 /net | |
| parent | mac80211: populate debugfs only after cfg80211 init (diff) | |
| download | wireguard-linux-8ca47eb9f9e4e10e7e7fa695731a88941732c38d.tar.xz wireguard-linux-8ca47eb9f9e4e10e7e7fa695731a88941732c38d.zip | |
mac80211: sta_info: Add lockdep condition for RCU list usage
The function sta_info_get_by_idx() uses RCU list primitive.
It is called with local->sta_mtx held from mac80211/cfg.c.
Add lockdep expression to avoid any false positive RCU list warnings.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Link: https://lore.kernel.org/r/20200409082906.27427-1-madhuparnabhowmik10@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/sta_info.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f8d5c2515829..cd8487bc6fc2 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -231,7 +231,8 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata, struct sta_info *sta; int i = 0; - list_for_each_entry_rcu(sta, &local->sta_list, list) { + list_for_each_entry_rcu(sta, &local->sta_list, list, + lockdep_is_held(&local->sta_mtx)) { if (sdata != sta->sdata) continue; if (i < idx) { |