diff --git a/drivers/staging/sep/sep_trace_events.h b/drivers/staging/sep/sep_trace_events.h
index 2b053a93afe69665a46e06098d5eb9619df30534..74f4c9a2b5be361bebff0342a70c714fa880a334 100644
--- a/drivers/staging/sep/sep_trace_events.h
+++ b/drivers/staging/sep/sep_trace_events.h
@@ -52,6 +52,11 @@
  */
 #include <linux/tracepoint.h>
 
+/*
+ * Since use str*cpy in header file, better to include string.h, directly.
+ */
+#include <linux/string.h>
+
 /*
  * The TRACE_EVENT macro is broken up into 5 parts.
  *
@@ -97,7 +102,7 @@ TRACE_EVENT(sep_func_start,
 	),
 
 	TP_fast_assign(
-		strncpy(__entry->name, name, 20);
+		strlcpy(__entry->name, name, 20);
 		__entry->branch	= branch;
 	),
 
@@ -116,7 +121,7 @@ TRACE_EVENT(sep_func_end,
 	),
 
 	TP_fast_assign(
-		strncpy(__entry->name, name, 20);
+		strlcpy(__entry->name, name, 20);
 		__entry->branch	= branch;
 	),
 
@@ -135,7 +140,7 @@ TRACE_EVENT(sep_misc_event,
 	),
 
 	TP_fast_assign(
-		strncpy(__entry->name, name, 20);
+		strlcpy(__entry->name, name, 20);
 		__entry->branch	= branch;
 	),