The FTRACE_OPS_FL_INITIALIZED flag is cleared in register_ftrace_direct, which can make it initialized by ftrace_ops_init() even if it is already initialized. It seems that there is no big deal here, but let's still fix it. Fixes: f64dd4627ec6 ("ftrace: Add multi direct register/unregister interface") Signed-off-by: Menglong Dong --- kernel/trace/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 42bd2ba68a82..efb5ce32298f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -6043,7 +6043,7 @@ int register_ftrace_direct(struct ftrace_ops *ops, unsigned long addr) new_hash = NULL; ops->func = call_direct_funcs; - ops->flags = MULTI_FLAGS; + ops->flags |= MULTI_FLAGS; ops->trampoline = FTRACE_REGS_ADDR; ops->direct_call = addr; -- 2.51.2