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| author | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 11:57:52 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-09-11 12:04:49 +0200 |
| commit | 5ea82df1f50e42416d0a8a7c42d37cc1df1545fe (patch) | |
| tree | 08182668a9baa6043caceeda443b24d66c2d5fa1 /net/mac80211/mesh_pathtbl.c | |
| parent | e8c1841278a78362f7034f3de415096ddb19f097 (diff) | |
| download | linux-stable-5ea82df1f50e42416d0a8a7c42d37cc1df1545fe.tar.gz linux-stable-5ea82df1f50e42416d0a8a7c42d37cc1df1545fe.tar.bz2 linux-stable-5ea82df1f50e42416d0a8a7c42d37cc1df1545fe.zip | |
wifi: mac80211: fix RCU usage warning in mesh fast-xmit
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>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
| -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); |