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authorBob Copeland <me@bobcopeland.com>2016-01-30 13:17:03 -0500
committerJohannes Berg <johannes.berg@intel.com>2016-02-24 09:04:29 +0100
commit3f73fe9fd8703123faf663908923ca9e62cb984e (patch)
tree0a06be161738014422f29947fbcd5a7a9f88c74b /net/mac80211/mesh_pathtbl.c
parent0ef049dc1167fe834d0ad5d63f89eddc5c70f6e4 (diff)
mac80211: mesh: drop constant field mean_chain_len
The mean_chain_len field in struct mesh_table is copied whenever a new mesh table is allocated, but only ever has the value 2 and is never otherwise updated, so just remove it and use the related define instead. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/mesh_pathtbl.c')
-rw-r--r--net/mac80211/mesh_pathtbl.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index dadf8dc6f1cf..c95bdb8bb452 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -160,11 +160,10 @@ static int mesh_table_grow(struct mesh_table *oldtbl,
int i;
if (atomic_read(&oldtbl->entries)
- < oldtbl->mean_chain_len * (oldtbl->hash_mask + 1))
+ < MEAN_CHAIN_LEN * (oldtbl->hash_mask + 1))
return -EAGAIN;
newtbl->free_node = oldtbl->free_node;
- newtbl->mean_chain_len = oldtbl->mean_chain_len;
newtbl->copy_node = oldtbl->copy_node;
newtbl->known_gates = oldtbl->known_gates;
atomic_set(&newtbl->entries, atomic_read(&oldtbl->entries));
@@ -585,7 +584,7 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata,
hlist_add_head_rcu(&new_node->list, bucket);
if (atomic_inc_return(&tbl->entries) >=
- tbl->mean_chain_len * (tbl->hash_mask + 1))
+ MEAN_CHAIN_LEN * (tbl->hash_mask + 1))
grow = 1;
mesh_paths_generation++;
@@ -714,7 +713,7 @@ int mpp_path_add(struct ieee80211_sub_if_data *sdata,
hlist_add_head_rcu(&new_node->list, bucket);
if (atomic_inc_return(&tbl->entries) >=
- tbl->mean_chain_len * (tbl->hash_mask + 1))
+ MEAN_CHAIN_LEN * (tbl->hash_mask + 1))
grow = 1;
spin_unlock(&tbl->hashwlock[hash_idx]);
@@ -1076,7 +1075,6 @@ int mesh_pathtbl_init(void)
return -ENOMEM;
tbl_path->free_node = &mesh_path_node_free;
tbl_path->copy_node = &mesh_path_node_copy;
- tbl_path->mean_chain_len = MEAN_CHAIN_LEN;
tbl_path->known_gates = kzalloc(sizeof(struct hlist_head), GFP_ATOMIC);
if (!tbl_path->known_gates) {
ret = -ENOMEM;
@@ -1092,7 +1090,6 @@ int mesh_pathtbl_init(void)
}
tbl_mpp->free_node = &mesh_path_node_free;
tbl_mpp->copy_node = &mesh_path_node_copy;
- tbl_mpp->mean_chain_len = MEAN_CHAIN_LEN;
tbl_mpp->known_gates = kzalloc(sizeof(struct hlist_head), GFP_ATOMIC);
if (!tbl_mpp->known_gates) {
ret = -ENOMEM;