diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cred.c | 4 | ||||
| -rw-r--r-- | kernel/rcupdate.c | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/kernel/cred.c b/kernel/cred.c index e1dbe9eef800..62af1816c235 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -398,6 +398,8 @@ struct cred *prepare_usermodehelper_creds(void) error: put_cred(new); + return NULL; + free_tgcred: #ifdef CONFIG_KEYS kfree(tgcred); @@ -791,8 +793,6 @@ bool creds_are_invalid(const struct cred *cred) { if (cred->magic != CRED_MAGIC) return true; - if (atomic_read(&cred->usage) < atomic_read(&cred->subscribers)) - return true; #ifdef CONFIG_SECURITY_SELINUX if (selinux_is_enabled()) { if ((unsigned long) cred->security < PAGE_SIZE) diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 63fe25433980..03a7ea1579f6 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -69,6 +69,13 @@ EXPORT_SYMBOL_GPL(rcu_scheduler_active); #ifdef CONFIG_DEBUG_LOCK_ALLOC +int debug_lockdep_rcu_enabled(void) +{ + return rcu_scheduler_active && debug_locks && + current->lockdep_recursion == 0; +} +EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled); + /** * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section? * |