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-rw-r--r--include/linux/ftrace.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 58ca1c3a3f4..469ceb3e85b 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -371,7 +371,7 @@ struct ftrace_graph_ret {
#define FTRACE_RETSTACK_ALLOC_SIZE 32
/* Type of the callback handlers for tracing function graph*/
typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
-typedef void (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
+typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
extern int register_ftrace_graph(trace_func_graph_ret_t retfunc,
trace_func_graph_ent_t entryfunc);