From 84b9b4c84a5e82d7dba6aa4e29f3a0004e624630 Mon Sep 17 00:00:00 2001
From: Oron Peled <oron.peled@xorcom.com>
Date: Thu, 9 Feb 2012 15:25:33 +0000
Subject: [PATCH] dahdi: build fix for Kernels < 2.6.16

* Fixes building for kernels < 2.6.16 (and some older Centos 4 ones).
* Broken by http://svn.asterisk.org/svn/dahdi/linux/trunk@9721
  (Jan-2011)

Signed-off-by: Oron Peled <oron.peled@xorcom.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@10460 a0bf4364-ded3-4de4-8d8a-66a801d63aff
---
 drivers/dahdi/dahdi-base.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dahdi/dahdi-base.c b/drivers/dahdi/dahdi-base.c
index 7e23abc..d529f16 100644
--- a/drivers/dahdi/dahdi-base.c
+++ b/drivers/dahdi/dahdi-base.c
@@ -49,7 +49,9 @@
 #include <linux/sched.h>
 #include <linux/list.h>
 #include <linux/delay.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 16)
 #include <linux/mutex.h>
+#endif
 
 #if defined(HAVE_UNLOCKED_IOCTL) && defined(CONFIG_BKL)
 #include <linux/smp_lock.h>