ftrace: Use list_move instead of list_del/list_add

Using list_move() instead of list_del() + list_add().

Link: https://lkml.kernel.org/r/[email protected]

Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Baokun Li <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>

Author: LiBaokun96

kernel/trace/ftrace.c

@@ -4212,8 +4212,7 @@ static void process_mod_list(struct list_head *head, struct ftrace_ops *ops,
 		if (!func) /* warn? */
 			continue;
 
-		list_del(&ftrace_mod->list);
-		list_add(&ftrace_mod->list, &process_mods);
+		list_move(&ftrace_mod->list, &process_mods);
 
 		/* Use the newly allocated func, as it may be "*" */
 		kfree(ftrace_mod->func);