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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 fdc6d22d406b..f04cc3136bd3 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1697,7 +1697,7 @@ static int replace_system_preds(struct event_subsystem *system,
1697 * replace the filter for the call. 1697 * replace the filter for the call.
1698 */ 1698 */
1699 filter = call->filter; 1699 filter = call->filter;
1700 call->filter = filter_item->filter; 1700 rcu_assign_pointer(call->filter, filter_item->filter);
1701 filter_item->filter = filter; 1701 filter_item->filter = filter;
1702 1702
1703 fail = false; 1703 fail = false;
@@ -1752,7 +1752,7 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
1752 filter = call->filter; 1752 filter = call->filter;
1753 if (!filter) 1753 if (!filter)
1754 goto out_unlock; 1754 goto out_unlock;
1755 call->filter = NULL; 1755 RCU_INIT_POINTER(call->filter, NULL);
1756 /* Make sure the filter is not being used */ 1756 /* Make sure the filter is not being used */
1757 synchronize_sched(); 1757 synchronize_sched();
1758 __free_filter(filter); 1758 __free_filter(filter);
@@ -1793,7 +1793,7 @@ out:
1793 * string 1793 * string
1794 */ 1794 */
1795 tmp = call->filter; 1795 tmp = call->filter;
1796 call->filter = filter; 1796 rcu_assign_pointer(call->filter, filter);
1797 if (tmp) { 1797 if (tmp) {
1798 /* Make sure the call is done with the filter */ 1798 /* Make sure the call is done with the filter */
1799 synchronize_sched(); 1799 synchronize_sched();