4 files changed, 4 insertions, 33 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 3384eb89cb1c..54b15f8cda53 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -124,12 +124,6 @@ void __put_task_struct(struct task_struct *tsk)
                 free_task(tsk);
 }
 
-void __put_task_struct_cb(struct rcu_head *rhp)
-{
-        struct task_struct *tsk = container_of(rhp, struct task_struct, rcu);
-        __put_task_struct(tsk);
-}
-
 void __init fork_init(unsigned long mempages)
 {
 #ifndef __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
diff --git a/kernel/power/pm.c b/kernel/power/pm.c
index 0f6908cce1dd..84063ac8fcfc 100644
--- a/kernel/power/pm.c
+++ b/kernel/power/pm.c
@@ -75,25 +75,6 @@ struct pm_dev *pm_register(pm_dev_t type,
         return dev;
 }
 
-/**
- *      pm_unregister -  unregister a device with power management
- *      @dev: device to unregister
- *
- *      Remove a device from the power management notification lists. The
- *      dev passed must be a handle previously returned by pm_register.
- */
- 
-void pm_unregister(struct pm_dev *dev)
-{
-        if (dev) {
-                mutex_lock(&pm_devs_lock);
-                list_del(&dev->entry);
-                mutex_unlock(&pm_devs_lock);
-
-                kfree(dev);
-        }
-}
-
 static void __pm_unregister(struct pm_dev *dev)
 {
         if (dev) {
@@ -258,7 +239,6 @@ int pm_send_all(pm_request_t rqst, void *data)
 }
 
 EXPORT_SYMBOL(pm_register);
-EXPORT_SYMBOL(pm_unregister);
 EXPORT_SYMBOL(pm_unregister_all);
 EXPORT_SYMBOL(pm_send_all);
 EXPORT_SYMBOL(pm_active);
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 0eeb7e66722c..4e0f0ec003f7 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -56,10 +56,6 @@ void ptrace_untrace(task_t *child)
                         signal_wake_up(child, 1);
                 }
         }
-        if (child->signal->flags & SIGNAL_GROUP_EXIT) {
-                sigaddset(&child->pending.signal, SIGKILL);
-                signal_wake_up(child, 1);
-        }
         spin_unlock(&child->sighand->siglock);
 }
 
@@ -81,7 +77,8 @@ void __ptrace_unlink(task_t *child)
                 add_parent(child);
         }
 
-        ptrace_untrace(child);
+        if (child->state == TASK_TRACED)
+                ptrace_untrace(child);
 }
 
 /*
diff --git a/kernel/signal.c b/kernel/signal.c
index b14f895027c3..e5f8aea78ffe 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1754,9 +1754,9 @@ relock:
                         /* Let the debugger run.  */
                         ptrace_stop(signr, signr, info);
 
-                        /* We're back.  Did the debugger cancel the sig or group_exit? */
+                        /* We're back.  Did the debugger cancel the sig?  */
                         signr = current->exit_code;
-                        if (signr == 0 || current->signal->flags & SIGNAL_GROUP_EXIT)
+                        if (signr == 0)
                                 continue;
 
                         current->exit_code = 0;