diff --git a/Check_LiS_rebuild.sh b/Check_LiS_rebuild.sh
new file mode 100755
index 0000000..d402119
--- /dev/null
+++ b/Check_LiS_rebuild.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# Copyright 2022 - IBM Inc. All rights reserved
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Test of streams driver exists
+#
+ls -l /lib/modules/`uname -r`/misc | grep streams.ko >/dev/null 2>&1
+if [ $? = 0 ]
+then
+  echo " LiS is up to date"
+else
+  echo " LiS needs to be built"
+  cd /usr/src/LiS
+  make uninstall
+  make very-clean
+  ./buildLiS
+fi
diff --git a/head/cmn_err.c b/head/cmn_err.c
index 7e6ea97..ce6867a 100644
--- a/head/cmn_err.c
+++ b/head/cmn_err.c
@@ -38,8 +38,9 @@
 
 #include <sys/strport.h>
 #include <sys/cmn_err.h>
-#include <stdarg.h>
-#include <sys/osif.h>
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE < 2305)  //For RHEL 9 update 12-2022
+#include <stdarg.h>                    /* for va_list */
+#endif
 
 /*
  * Check to see if the symbols for kernel message level have
diff --git a/head/linux-mdep.c b/head/linux-mdep.c
index 2fbbc4f..3c62a89 100644
--- a/head/linux-mdep.c
+++ b/head/linux-mdep.c
@@ -83,7 +83,11 @@
  /* In RHEL 8.5, 4.18.0-348 kernel moved definition for __invalidate_device()  */
 #if ((defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE >= 2053)  || \
      (LINUX_VERSION_CODE > KERNEL_VERSION(4,18,0)))
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE >= 2305)  //For RHEL 9 update 12-2022
+#include <linux/blkdev.h>
+#else
 #include <linux/genhd.h>
+#endif
 #include <linux/blk_types.h>
 #else
 #include <linux/fs.h>		/* linux file sys externs */
diff --git a/head/osif.c b/head/osif.c
index af809fe..0b59151 100644
--- a/head/osif.c
+++ b/head/osif.c
@@ -81,7 +81,9 @@
 #include <linux/bios32.h>		/* old style PCI routines */
 #include <linux/mm.h>			/* vremap */
 #endif
-#include <stdarg.h>
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE < 2305)  //For RHEL 9 update 12-2022
+#include <stdarg.h>                    /* for va_list */
+#endif
 
 #define	INCL_FROM_OSIF_DRIVER		/* do not change routine names */
 #include <sys/osif.h>
diff --git a/head/queue.c b/head/queue.c
index bef647b..1e5879b 100644
--- a/head/queue.c
+++ b/head/queue.c
@@ -44,7 +44,9 @@
 
 #include <sys/stream.h>
 #include <sys/osif.h>
-#include <stdarg.h>
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE < 2305)  //For RHEL 9 update 12-2022
+#include <stdarg.h>                    /* for va_list */
+#endif
 
 /*  -------------------------------------------------------------------  */
 /*			   Local functions & macros                      */
diff --git a/head/strmdbg.c b/head/strmdbg.c
index 2bfcbc2..bbaee8a 100644
--- a/head/strmdbg.c
+++ b/head/strmdbg.c
@@ -34,8 +34,9 @@
 #include <sys/stream.h>
 #include <sys/poll.h>
 #include <sys/lislocks.h>
-
-#include <stdarg.h>
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE < 2305)  //For RHEL 9 update 12-2022
+#include <stdarg.h>                    /* for va_list */
+#endif
 #include <sys/osif.h>
 #if defined(LINUX)			/* Linux kernel version */
 #include <sys/lismem.h>
diff --git a/head/version.c b/head/version.c
index c203d7c..5a2509f 100644
--- a/head/version.c
+++ b/head/version.c
@@ -34,11 +34,11 @@
  * 
  */
 
-#ident "@(#) CSLiS version.c 7.11 2022-10-26 15:30:00 "
+#ident "@(#) CSLiS version.c 7.11 2023-02-01 13:30:00 "
 
 
 char	lis_version[] = "CS71100" ;
-char	lis_date[]    = "07 N0v 22" ;
+char	lis_date[]    = "01 Feb 23" ;
 
 #if 0
 
diff --git a/include/sys/osif.h b/include/sys/osif.h
index 94cc0f8..9d45c83 100644
--- a/include/sys/osif.h
+++ b/include/sys/osif.h
@@ -29,7 +29,9 @@
 #else
 #include <generated/autoconf.h>
 #endif
-#include <stdarg.h>			/* for va_list */
+#if (defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE < 2305)  //For RHEL 9 update 12-2022
+#include <stdarg.h>                    /* for va_list */
+#endif
 #include <linux/wait.h>			/* for struct wait_queue */
 #include <linux/timer.h>                /* for struct timer_list */
 #include <linux/time.h>