1 files changed, 17 insertions, 0 deletions

diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index b73574a5f429..fb1ab5dfbd42 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -288,6 +288,11 @@ struct trace_probe {
         struct probe_arg                args[];
 };
 
+struct event_file_link {
+        struct ftrace_event_file        *file;
+        struct list_head                list;
+};
+
 static inline bool trace_probe_is_enabled(struct trace_probe *tp)
 {
         return !!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE));
@@ -316,6 +321,18 @@ static inline int is_good_name(const char *name)
         return 1;
 }
 
+static inline struct event_file_link *
+find_event_file_link(struct trace_probe *tp, struct ftrace_event_file *file)
+{
+        struct event_file_link *link;
+
+        list_for_each_entry(link, &tp->files, list)
+                if (link->file == file)
+                        return link;
+
+        return NULL;
+}
+
 extern int traceprobe_parse_probe_arg(char *arg, ssize_t *size,
                    struct probe_arg *parg, bool is_return, bool is_kprobe);