diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/mesh_pathtbl.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 88a6d5e18ccc..95eb5064fa91 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -404,7 +404,6 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata, { struct mesh_table *tbl; struct mesh_path *mpath, *new_mpath; - int ret; if (ether_addr_equal(dst, sdata->vif.addr)) /* never add ourselves as neighbours */ @@ -422,25 +421,18 @@ struct mesh_path *mesh_path_add(struct ieee80211_sub_if_data *sdata, tbl = sdata->u.mesh.mesh_paths; spin_lock_bh(&tbl->walk_lock); - do { - ret = rhashtable_lookup_insert_fast(&tbl->rhead, - &new_mpath->rhash, - mesh_rht_params); - - if (ret == -EEXIST) - mpath = rhashtable_lookup_fast(&tbl->rhead, - dst, - mesh_rht_params); - else if (!ret) - hlist_add_head(&new_mpath->walk_list, &tbl->walk_head); - } while (unlikely(ret == -EEXIST && !mpath)); + mpath = rhashtable_lookup_get_insert_fast(&tbl->rhead, + &new_mpath->rhash, + mesh_rht_params); + if (!mpath) + hlist_add_head(&new_mpath->walk_list, &tbl->walk_head); spin_unlock_bh(&tbl->walk_lock); - if (ret) { + if (mpath) { kfree(new_mpath); - if (ret != -EEXIST) - return ERR_PTR(ret); + if (IS_ERR(mpath)) + return mpath; new_mpath = mpath; } |