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authorWei Yongjun <weiyongjun1@huawei.com>2019-02-18 13:29:29 +0300
committerDavid S. Miller <davem@davemloft.net>2019-02-19 03:29:54 +0300
commitf2ffff085d287eec499f1fccd682796ad8010303 (patch)
tree357c8e966af32e8034d912743d1ac4efbb7359fd /net/mac80211/mesh_pathtbl.c
parent21d2cb491b9e10bfdf10424673b43cd9eddc2da1 (diff)
downloadlinux-f2ffff085d287eec499f1fccd682796ad8010303.tar.xz
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/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c2
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;
}