1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index 16a874bb1561..fbbcb27fb681 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -21,6 +21,7 @@
 #include <linux/list.h>
 #include <linux/poll.h>
 #include <linux/kmod.h>
+#include <linux/smp_lock.h>
 
 #include "platform.h"
 #undef ID_MASK
@@ -580,6 +581,7 @@ xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int lengt
  */
 static int divas_open(struct inode *inode, struct file *file)
 {
+        cycle_kernel_lock();
         return (0);
 }