diff -Nur hsfmodem-7.80.02.05x86_64full_orig/modules/osdiag.c hsfmodem-7.80.02.05x86_64full/modules/osdiag.c
--- hsfmodem-7.80.02.05x86_64full_orig/modules/osdiag.c	2006-08-14 19:38:52.000000000 +0700
+++ hsfmodem-7.80.02.05x86_64full/modules/osdiag.c	2010-10-26 18:06:30.000000000 +0700
@@ -256,7 +256,11 @@
 }
 #endif /* DMP || DMP_RETAIL */
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) 
+static long diag_unlocked_ioctl(struct file*  file, unsigned int cmd, unsigned long arg)
+#else
 static int diag_ioctl(struct inode* inode, struct file*  file, unsigned int cmd, unsigned long arg)
+#endif
 {
     diag_unit_t *su = file->private_data;
     diag_instance_t *pDiag = su->inst.pDiag;
@@ -598,13 +602,17 @@
 }
 
 static struct file_operations diag_fops = {
-    .owner	= THIS_MODULE,
-    .ioctl	= diag_ioctl,
-    .fasync	= diag_fasync,
-    .poll	= diag_poll,
-    .read	= diag_read,
-    .open	= diag_open,
-    .release	= diag_release
+    .owner		= THIS_MODULE,
+    .fasync		= diag_fasync,
+    .poll		= diag_poll,
+    .read		= diag_read,
+    .open		= diag_open,
+    .release		= diag_release,
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)
+    .ioctl		= diag_ioctl,
+#else
+    .unlocked_ioctl	= diag_unlocked_ioctl
+#endif
 };
 
 static diag_instance_t *GetDiagInstance(int hwInstNum,