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-rw-r--r--kernel/cred.c4
-rw-r--r--kernel/rcupdate.c7
-rw-r--r--kernel/sys.c2
3 files changed, 10 insertions, 3 deletions
diff --git a/kernel/cred.c b/kernel/cred.c
index 4f483be..8f3672a 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -397,6 +397,8 @@ struct cred *prepare_usermodehelper_creds(void)
error:
put_cred(new);
+ return NULL;
+
free_tgcred:
#ifdef CONFIG_KEYS
kfree(tgcred);
@@ -788,8 +790,6 @@ 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 63fe254..03a7ea1 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?
*
diff --git a/kernel/sys.c b/kernel/sys.c
index 6d1a7e0..7cb426a 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1118,7 +1118,7 @@ DECLARE_RWSEM(uts_sem);
#ifdef COMPAT_UTS_MACHINE
#define override_architecture(name) \
- (current->personality == PER_LINUX32 && \
+ (personality(current->personality) == PER_LINUX32 && \
copy_to_user(name->machine, COMPAT_UTS_MACHINE, \
sizeof(COMPAT_UTS_MACHINE)))
#else