diff --git a/kernel/tkernel/netatop/netatop.c b/kernel/tkernel/netatop/netatop.c
index db88ea94746625c0d95914a33b562764481952fe..1221b96f1327535ed186847b887a379d8576131d 100644
--- a/kernel/tkernel/netatop/netatop.c
+++ b/kernel/tkernel/netatop/netatop.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
 ** This module uses the netfilter interface to maintain statistics
 ** about the network traffic per task, on level of thread group
@@ -81,6 +82,7 @@
 ** it under the terms of the GNU General Public License version 2 as
 ** published by the Free Software Foundation.
 */
+
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -970,7 +972,7 @@ get_taskinfo(pid_t id, char type)
 		tip->btime++;
 #endif
 
-	strncpy(tip->command, current->comm, COMLEN);
+	strscpy(tip->command, current->comm, sizeof(tip->command));
 
 	return tip;
 }
@@ -1014,7 +1016,7 @@ garbage_collector(void)
 ** can be found at the head
 */
 static void
-gctaskexit()
+gctaskexit(void)
 {
 	unsigned long	flags;
 	struct taskinfo	*tip;
@@ -1048,7 +1050,7 @@ gctaskexit()
 ** cleanup sockinfo structures that are connected to finished processes
 */
 static void
-gcsockinfo()
+gcsockinfo(void)
 {
 	int		i;
 	struct sockinfo	*sip, *sipsave;
@@ -1258,7 +1260,7 @@ gcsockinfo()
 ** remove taskinfo structures of finished tasks from hash list
 */
 static void
-gctaskinfo()
+gctaskinfo(void)
 {
 	int		i;
 	struct taskinfo	*tip, *tipsave;
@@ -1331,7 +1333,7 @@ gctaskinfo()
 ** remove all sockinfo structs
 */
 static void
-wipesockinfo()
+wipesockinfo(void)
 {
 	struct sockinfo	*sip, *sipsave;
 	int 		i;
@@ -1359,7 +1361,7 @@ wipesockinfo()
 ** remove all taskinfo structs from hash list
 */
 static void
-wipetaskinfo()
+wipetaskinfo(void)
 {
 	struct taskinfo	*tip, *tipsave;
 	int 		i;
@@ -1387,7 +1389,7 @@ wipetaskinfo()
 ** remove all taskinfo structs from exit list
 */
 static void
-wipetaskexit()
+wipetaskexit(void)
 {
 	gctaskexit();
 }
@@ -1674,7 +1676,7 @@ static int netatop_thread(void *dummy)
 ** called when module loaded
 */
 int
-init_module()
+init_module(void)
 {
 	int i;
 
@@ -1765,7 +1767,7 @@ init_module()
 ** called when module unloaded
 */
 void
-cleanup_module()
+cleanup_module(void)
 {
 	/*
 	** tell kernel daemon to stop
diff --git a/kernel/tkernel/netatop/netatop.h b/kernel/tkernel/netatop/netatop.h
index a14e6fa5db52f8edf4f6e6d5a98ac0591b40f100..6f0c66ab67de0049fc34a92b0ed24e2a2973a291 100644
--- a/kernel/tkernel/netatop/netatop.h
+++ b/kernel/tkernel/netatop/netatop.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define	COMLEN	16
 
 struct taskcount {
diff --git a/kernel/tkernel/netatop/netatopversion.h b/kernel/tkernel/netatop/netatopversion.h
index 593dc6a65769242052df8ff30fea4eabe6a16aa3..5000858fbbd5cc76ece88796276a128554808e2e 100644
--- a/kernel/tkernel/netatop/netatopversion.h
+++ b/kernel/tkernel/netatop/netatopversion.h
@@ -1,2 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #define	NETATOPVERSION	"0.7"
 #define	NETATOPDATE	"2015/10/09 14:26:52"