diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 12:57:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-20 13:58:54 +0300 |
| commit | 2c1d8b046866b653d55bd50e088335ee34760122 (patch) | |
| tree | 25c570df1f6b1824a9b3eb15e104d17d44e92ff9 | |
| parent | e114cad74b9ac296b9e88b931c5ede398925ebc5 (diff) | |
| download | linux-2c1d8b046866b653d55bd50e088335ee34760122.tar.xz | |
wifi: mac80211: fix RCU usage warning in mesh fast-xmit
[ Upstream commit 5ea82df1f50e42416d0a8a7c42d37cc1df1545fe ]
In mesh_fast_tx_flush_addr() we already hold the lock, so
don't need additional hashtable RCU protection. Use the
rhashtable_lookup_fast() variant to avoid RCU protection
warnings.
Fixes: d5edb9ae8d56 ("wifi: mac80211: mesh fast xmit support")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/mac80211/mesh_pathtbl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index d32e304eeb4b..3e52aaa57b1f 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -648,7 +648,7 @@ void mesh_fast_tx_flush_addr(struct ieee80211_sub_if_data *sdata, cache = &sdata->u.mesh.tx_cache; spin_lock_bh(&cache->walk_lock); - entry = rhashtable_lookup(&cache->rht, addr, fast_tx_rht_params); + entry = rhashtable_lookup_fast(&cache->rht, addr, fast_tx_rht_params); if (entry) mesh_fast_tx_entry_free(cache, entry); spin_unlock_bh(&cache->walk_lock); |