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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2019-02-18 11:29:29 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-18 16:29:54 -0800 |
| commit | f2ffff085d287eec499f1fccd682796ad8010303 (patch) | |
| tree | 357c8e966af32e8034d912743d1ac4efbb7359fd /net | |
| parent | 21d2cb491b9e10bfdf10424673b43cd9eddc2da1 (diff) | |
| download | lwn-f2ffff085d287eec499f1fccd682796ad8010303.tar.gz lwn-f2ffff085d287eec499f1fccd682796ad8010303.zip | |
mac80211: mesh: fix missing unlock on error in table_path_del()
spin_lock_bh() is used in table_path_del() but rcu_read_unlock()
is used for unlocking. Fix it by using spin_unlock_bh() instead
of rcu_read_unlock() in the error handling case.
Fixes: b4c3fbe63601 ("mac80211: Use linked list instead of rhashtable walk for mesh tables")
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -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 c3a7396fb955..88a6d5e18ccc 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -627,7 +627,7 @@ static int table_path_del(struct mesh_table *tbl, spin_lock_bh(&tbl->walk_lock); mpath = rhashtable_lookup_fast(&tbl->rhead, addr, mesh_rht_params); if (!mpath) { - rcu_read_unlock(); + spin_unlock_bh(&tbl->walk_lock); return -ENXIO; } |