[PATCH] utrace_tracer_task: s/list_for_each_safe/list_for_each_entry

[Oleg Nesterov]

utrace_tracer_task() can use list_for_each_entry() too.

Signed-off-by: Oleg Nesterov <o...@redhat.com>

--- xxx/kernel/utrace.c~TRACER_TASK     2009-03-12 01:18:38.000000000 +0100
+++ xxx/kernel/utrace.c 2009-03-12 01:21:05.000000000 +0100
@@ -2317,15 +2317,12 @@ EXPORT_SYMBOL_GPL(task_user_regset_view)
  */
 struct task_struct *utrace_tracer_task(struct task_struct *target)
 {
-       struct list_head *pos, *next;
        struct utrace_engine *engine;
        const struct utrace_engine_ops *ops;
        struct task_struct *tracer = NULL;
        struct utrace *utrace = task_utrace_struct(target);
 
-       list_for_each_safe(pos, next, &utrace->attached) {
-               engine = list_entry(pos, struct utrace_engine,
-                                   entry);
+       list_for_each_entry(engine, &utrace->attached, entry) {
                ops = rcu_dereference(engine->ops);
                if (ops->tracer_task) {
                        tracer = (*ops->tracer_task)(engine, target);