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-rw-r--r--kernel/trace/trace_events_filter.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 816d3d074979..d6e7926dcd26 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1686,7 +1686,7 @@ static int replace_system_preds(struct event_subsystem *system,
1686 * replace the filter for the call. 1686 * replace the filter for the call.
1687 */ 1687 */
1688 filter = call->filter; 1688 filter = call->filter;
1689 call->filter = filter_item->filter; 1689 rcu_assign_pointer(call->filter, filter_item->filter);
1690 filter_item->filter = filter; 1690 filter_item->filter = filter;
1691 1691
1692 fail = false; 1692 fail = false;
@@ -1741,7 +1741,7 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
1741 filter = call->filter; 1741 filter = call->filter;
1742 if (!filter) 1742 if (!filter)
1743 goto out_unlock; 1743 goto out_unlock;
1744 call->filter = NULL; 1744 RCU_INIT_POINTER(call->filter, NULL);
1745 /* Make sure the filter is not being used */ 1745 /* Make sure the filter is not being used */
1746 synchronize_sched(); 1746 synchronize_sched();
1747 __free_filter(filter); 1747 __free_filter(filter);
@@ -1782,7 +1782,7 @@ out:
1782 * string 1782 * string
1783 */ 1783 */
1784 tmp = call->filter; 1784 tmp = call->filter;
1785 call->filter = filter; 1785 rcu_assign_pointer(call->filter, filter);
1786 if (tmp) { 1786 if (tmp) {
1787 /* Make sure the call is done with the filter */ 1787 /* Make sure the call is done with the filter */
1788 synchronize_sched(); 1788 synchronize_sched();