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| author | Mark Brown <broonie@kernel.org> | 2016-05-04 14:41:51 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-04 14:41:51 +0100 |
| commit | 3d277b177918cd26215732fc23af0783ab4b37dd (patch) | |
| tree | 2033b4f517415e9e68eb066fa073b79a3884e03d /net/mac80211/sta_info.c | |
| parent | f55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff) | |
| parent | 02da2d72174c61988eb4456b53f405e3ebdebce4 (diff) | |
| download | linux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.gz linux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.xz | |
Merge tag 'v4.6-rc5' into spi-rockchip
Linux 4.6-rc5
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index d20bab5c146c..861b93ffbe92 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -67,6 +67,7 @@ static const struct rhashtable_params sta_rht_params = { .nelem_hint = 3, /* start small */ + .insecure_elasticity = true, /* Disable chain-length checks. */ .automatic_shrinking = true, .head_offset = offsetof(struct sta_info, hash_node), .key_offset = offsetof(struct sta_info, addr), @@ -258,11 +259,11 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta) } /* Caller must hold local->sta_mtx */ -static void sta_info_hash_add(struct ieee80211_local *local, - struct sta_info *sta) +static int sta_info_hash_add(struct ieee80211_local *local, + struct sta_info *sta) { - rhashtable_insert_fast(&local->sta_hash, &sta->hash_node, - sta_rht_params); + return rhashtable_insert_fast(&local->sta_hash, &sta->hash_node, + sta_rht_params); } static void sta_deliver_ps_frames(struct work_struct *wk) @@ -524,7 +525,9 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) set_sta_flag(sta, WLAN_STA_BLOCK_BA); /* make the station visible */ - sta_info_hash_add(local, sta); + err = sta_info_hash_add(local, sta); + if (err) + goto out_drop_sta; list_add_tail_rcu(&sta->list, &local->sta_list); @@ -557,6 +560,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) out_remove: sta_info_hash_del(local, sta); list_del_rcu(&sta->list); + out_drop_sta: local->num_sta--; synchronize_net(); __cleanup_single_sta(sta); |