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-rw-r--r--kernel/trace/ftrace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 6c47a94f5924..c5d1d0d42ccc 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2645,7 +2645,8 @@ unsigned long ftrace_find_rec_direct(unsigned long ip)
{
struct ftrace_func_entry *entry;
- entry = __ftrace_lookup_ip(direct_functions, ip);
+ guard(preempt_notrace)();
+ entry = __ftrace_lookup_ip(rcu_dereference_sched(direct_functions), ip);
if (!entry)
return 0;