4 files changed, 11 insertions, 4 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/power/user.c b/kernel/power/user.c
index 4d2289626a84..a8c96212bc1b 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -420,7 +420,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd,
                          * User space encodes device types as two-byte values,
                          * so we need to recode them
                          */
-                        swdev = old_decode_dev(swap_area.dev);
+                        swdev = new_decode_dev(swap_area.dev);
                         if (swdev) {
                                 offset = swap_area.offset;
                                 data->swap = swap_type_of(swdev, offset, NULL);
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?
  *
diff --git a/kernel/sys.c b/kernel/sys.c
index 6d1a7e0f9d5b..7cb426a58965 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