--- vboxnetadp/linux/VBoxNetAdp-linux.c.orig	2010-12-16 13:48:03.400000020 +0100
+++ vboxnetadp/linux/VBoxNetAdp-linux.c	2010-12-16 13:52:07.497000022 +0100
@@ -66,7 +66,7 @@ static void VBoxNetAdpLinuxUnload(void);
 
 static int VBoxNetAdpLinuxOpen(struct inode *pInode, struct file *pFilp);
 static int VBoxNetAdpLinuxClose(struct inode *pInode, struct file *pFilp);
-static int VBoxNetAdpLinuxIOCtl(struct inode *pInode, struct file *pFilp, unsigned int uCmd, unsigned long ulArg);
+static long VBoxNetAdpLinuxIOCtl(struct inode *pInode, struct file *pFilp, unsigned int uCmd, unsigned long ulArg);
 
 /*******************************************************************************
 *   Global Variables                                                           *
@@ -89,7 +89,7 @@ static struct file_operations gFileOpsVB
     owner:      THIS_MODULE,
     open:       VBoxNetAdpLinuxOpen,
     release:    VBoxNetAdpLinuxClose,
-    ioctl:      VBoxNetAdpLinuxIOCtl,
+	unlocked_ioctl:      VBoxNetAdpLinuxIOCtl,
 };
 
 /** The miscdevice structure. */
@@ -253,7 +253,7 @@ static int VBoxNetAdpLinuxClose(struct i
  * @param   uCmd        The function specified to ioctl().
  * @param   ulArg       The argument specified to ioctl().
  */
-static int VBoxNetAdpLinuxIOCtl(struct inode *pInode, struct file *pFilp, unsigned int uCmd, unsigned long ulArg)
+static long VBoxNetAdpLinuxIOCtl(struct inode *pInode, struct file *pFilp, unsigned int uCmd, unsigned long ulArg)
 {
     VBOXNETADPREQ Req;
     PVBOXNETADP pAdp;