kernel/trace/trace_events_user.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index b2aecbfbbd24..054e28cc5ad4 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -439,7 +439,7 @@ static bool user_event_enabler_exists(struct user_event_mm *mm, struct user_event_enabler *enabler; struct user_event_enabler *next; - list_for_each_entry_safe(enabler, next, &mm->enablers, link) { + list_for_each_entry(enabler, next, &mm->enablers, link) { if (enabler->addr == uaddr && (enabler->values & ENABLE_VAL_BIT_MASK) == bit) return true; @@ -455,19 +455,19 @@ static void user_event_enabler_update(struct user_event *user) struct user_event_mm *next; int attempt; + lockdep_assert_held(&event_mutex); + while (mm) { next = mm->next; mmap_read_lock(mm->mm); - rcu_read_lock(); - list_for_each_entry_rcu(enabler, &mm->enablers, link) { + list_for_each_entry(enabler, &mm->enablers, link) { if (enabler->event == user) { attempt = 0; user_event_enabler_write(mm, enabler, true, &attempt); } } - rcu_read_unlock(); mmap_read_unlock(mm->mm); user_event_mm_put(mm); mm = next;