rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check

Since ca5ecddf (rcu: define __rcu address space modifier for sparse)
rcu_dereference_check use rcu_read_lock_held as a part of condition
automatically so callers do not have to do that as well.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 0 insertions, 4 deletions

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index b83870bf60f..3db78b696c5 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -97,7 +97,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
         struct sta_info *sta;
 
         sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
-                                    rcu_read_lock_held() ||
                                     lockdep_is_held(&local->sta_lock) ||
                                     lockdep_is_held(&local->sta_mtx));
         while (sta) {
@@ -105,7 +104,6 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
                     memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
                         break;
                 sta = rcu_dereference_check(sta->hnext,
-                                            rcu_read_lock_held() ||
                                             lockdep_is_held(&local->sta_lock) ||
                                             lockdep_is_held(&local->sta_mtx));
         }
@@ -123,7 +121,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
         struct sta_info *sta;
 
         sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)],
-                                    rcu_read_lock_held() ||
                                     lockdep_is_held(&local->sta_lock) ||
                                     lockdep_is_held(&local->sta_mtx));
         while (sta) {
@@ -132,7 +129,6 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata,
                     memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
                         break;
                 sta = rcu_dereference_check(sta->hnext,
-                                            rcu_read_lock_held() ||
                                             lockdep_is_held(&local->sta_lock) ||
                                             lockdep_is_held(&local->sta_mtx));
         }