diff options
| -rw-r--r-- | include/linux/cgroup.h | 1 | ||||
| -rw-r--r-- | include/linux/cred.h | 1 | ||||
| -rw-r--r-- | include/linux/fdtable.h | 1 | ||||
| -rw-r--r-- | include/linux/rtnetlink.h | 3 | ||||
| -rw-r--r-- | include/net/sock.h | 3 | ||||
| -rw-r--r-- | kernel/cgroup.c | 8 | ||||
| -rw-r--r-- | kernel/exit.c | 1 | ||||
| -rw-r--r-- | kernel/pid.c | 1 | ||||
| -rw-r--r-- | kernel/rcutorture.c | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 1 | ||||
| -rw-r--r-- | net/mac80211/sta_info.c | 4 | ||||
| -rw-r--r-- | net/netlabel/netlabel_domainhash.c | 3 | ||||
| -rw-r--r-- | net/netlabel/netlabel_unlabeled.c | 3 | ||||
| -rw-r--r-- | security/keys/keyring.c | 1 |
14 files changed, 6 insertions, 27 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ab4ac0ccb857..da7e4bc34e8c 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -539,7 +539,6 @@ static inline struct cgroup_subsys_state *cgroup_subsys_state( */ #define task_subsys_state_check(task, subsys_id, __c) \ rcu_dereference_check(task->cgroups->subsys[subsys_id], \ - rcu_read_lock_held() || \ lockdep_is_held(&task->alloc_lock) || \ cgroup_lock_is_held() || (__c)) diff --git a/include/linux/cred.h b/include/linux/cred.h index 82607992f308..f240f2fa0197 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -284,7 +284,6 @@ static inline void put_cred(const struct cred *_cred) ({ \ const struct task_struct *__t = (task); \ rcu_dereference_check(__t->real_cred, \ - rcu_read_lock_held() || \ task_is_dead(__t)); \ }) diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h index 133c0ba25e30..df7e3cf82e97 100644 --- a/include/linux/fdtable.h +++ b/include/linux/fdtable.h @@ -60,7 +60,6 @@ struct files_struct { #define rcu_dereference_check_fdtable(files, fdtfd) \ (rcu_dereference_check((fdtfd), \ - rcu_read_lock_held() || \ lockdep_is_held(&(files)->file_lock) || \ atomic_read(&(files)->count) == 1 || \ rcu_my_thread_group_empty())) diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index bbad657a3725..27576aa05e8c 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -758,8 +758,7 @@ extern int lockdep_rtnl_is_held(void); * or RTNL. Note : Please prefer rtnl_dereference() or rcu_dereference() */ #define rcu_dereference_rtnl(p) \ - rcu_dereference_check(p, rcu_read_lock_held() || \ - lockdep_rtnl_is_held()) + rcu_dereference_check(p, lockdep_rtnl_is_held()) /** * rtnl_dereference - fetch RCU pointer when updates are prevented by RTNL diff --git a/include/net/sock.h b/include/net/sock.h index c0b938cb4b1a..d5b65c19a8e3 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1301,8 +1301,7 @@ extern unsigned long sock_i_ino(struct sock *sk); static inline struct dst_entry * __sk_dst_get(struct sock *sk) { - return rcu_dereference_check(sk->sk_dst_cache, rcu_read_lock_held() || - sock_owned_by_user(sk) || + return rcu_dereference_check(sk->sk_dst_cache, sock_owned_by_user(sk) || lockdep_is_held(&sk->sk_lock.slock)); } diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 2731d115d725..5ae71d6e274b 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1697,7 +1697,6 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen) { char *start; struct dentry *dentry = rcu_dereference_check(cgrp->dentry, - rcu_read_lock_held() || cgroup_lock_is_held()); if (!dentry || cgrp == dummytop) { @@ -1723,7 +1722,6 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen) break; dentry = rcu_dereference_check(cgrp->dentry, - rcu_read_lock_held() || cgroup_lock_is_held()); if (!cgrp->parent) continue; @@ -4813,8 +4811,7 @@ unsigned short css_id(struct cgroup_subsys_state *css) * on this or this is under rcu_read_lock(). Once css->id is allocated, * it's unchanged until freed. */ - cssid = rcu_dereference_check(css->id, - rcu_read_lock_held() || atomic_read(&css->refcnt)); + cssid = rcu_dereference_check(css->id, atomic_read(&css->refcnt)); if (cssid) return cssid->id; @@ -4826,8 +4823,7 @@ unsigned short css_depth(struct cgroup_subsys_state *css) { struct css_id *cssid; - cssid = rcu_dereference_check(css->id, - rcu_read_lock_held() || atomic_read(&css->refcnt)); + cssid = rcu_dereference_check(css->id, atomic_read(&css->refcnt)); if (cssid) return cssid->depth; diff --git a/kernel/exit.c b/kernel/exit.c index 20a406471525..07dc154fc799 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -85,7 +85,6 @@ static void __exit_signal(struct task_struct *tsk) struct tty_struct *uninitialized_var(tty); sighand = rcu_dereference_check(tsk->sighand, - rcu_read_lock_held() || lockdep_tasklist_lock_is_held()); spin_lock(&sighand->siglock); diff --git a/kernel/pid.c b/kernel/pid.c index 57a8346a270e..e432057f3b21 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -405,7 +405,6 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type) if (pid) { struct hlist_node *first; first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]), - rcu_read_lock_held() || lockdep_tasklist_lock_is_held()); if (first) result = hlist_entry(first, struct task_struct, pids[(type)].node); diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 2e138db03382..ced72102adc2 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -941,7 +941,6 @@ static void rcu_torture_timer(unsigned long unused) idx = cur_ops->readlock(); completed = cur_ops->completed(); p = rcu_dereference_check(rcu_torture_current, - rcu_read_lock_held() || rcu_read_lock_bh_held() || rcu_read_lock_sched_held() || srcu_read_lock_held(&srcu_ctl)); @@ -1002,7 +1001,6 @@ rcu_torture_reader(void *arg) idx = cur_ops->readlock(); completed = cur_ops->completed(); p = rcu_dereference_check(rcu_torture_current, - rcu_read_lock_held() || rcu_read_lock_bh_held() || rcu_read_lock_sched_held() || srcu_read_lock_held(&srcu_ctl)); diff --git a/kernel/sched.c b/kernel/sched.c index 3f2e502d609b..71e5a25a8a58 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -581,7 +581,6 @@ static inline int cpu_of(struct rq *rq) #define rcu_dereference_check_sched_domain(p) \ rcu_dereference_check((p), \ - rcu_read_lock_held() || \ lockdep_is_held(&sched_domains_mutex)) /* diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index b83870bf60fa..3db78b696c5c 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)); } diff --git a/net/netlabel/netlabel_domainhash.c b/net/netlabel/netlabel_domainhash.c index de0d8e4cbfb6..2aa975e5452d 100644 --- a/net/netlabel/netlabel_domainhash.c +++ b/net/netlabel/netlabel_domainhash.c @@ -55,8 +55,7 @@ struct netlbl_domhsh_tbl { * should be okay */ static DEFINE_SPINLOCK(netlbl_domhsh_lock); #define netlbl_domhsh_rcu_deref(p) \ - rcu_dereference_check(p, rcu_read_lock_held() || \ - lockdep_is_held(&netlbl_domhsh_lock)) + rcu_dereference_check(p, lockdep_is_held(&netlbl_domhsh_lock)) static struct netlbl_domhsh_tbl *netlbl_domhsh = NULL; static struct netlbl_dom_map *netlbl_domhsh_def = NULL; diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c index 9c38658fba8b..3de3768360fd 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -116,8 +116,7 @@ struct netlbl_unlhsh_walk_arg { * hash table should be okay */ static DEFINE_SPINLOCK(netlbl_unlhsh_lock); #define netlbl_unlhsh_rcu_deref(p) \ - rcu_dereference_check(p, rcu_read_lock_held() || \ - lockdep_is_held(&netlbl_unlhsh_lock)) + rcu_dereference_check(p, lockdep_is_held(&netlbl_unlhsh_lock)) static struct netlbl_unlhsh_tbl *netlbl_unlhsh = NULL; static struct netlbl_unlhsh_iface *netlbl_unlhsh_def = NULL; diff --git a/security/keys/keyring.c b/security/keys/keyring.c index a06ffab38568..30e242f7bd0e 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -155,7 +155,6 @@ static void keyring_destroy(struct key *keyring) } klist = rcu_dereference_check(keyring->payload.subscriptions, - rcu_read_lock_held() || atomic_read(&keyring->usage) == 0); if (klist) { for (loop = klist->nkeys - 1; loop >= 0; loop--) |