diff --git a/xpm/core/xpm_hck.c b/xpm/core/xpm_hck.c
index 4c3e98af915c5ad167bae4c73fbc86712c61d69d..55181ca1d19704c6df31452b2434f83ab50d5fd4 100644
--- a/xpm/core/xpm_hck.c
+++ b/xpm/core/xpm_hck.c
@@ -211,6 +211,9 @@ void xpm_get_unmapped_area(unsigned long addr, unsigned long len,
 	if (!mm)
 		return;
 
+	if ((mm->xpm_region.addr_start == 0) && (mm->xpm_region.addr_end == 0))
+		return;
+
 	if ((map_flags & MAP_FIXED) && !(addr >= mm->xpm_region.addr_end ||
 		addr + len <= mm->xpm_region.addr_start)) {
 		xpm_log_error("xpm region not allow mmap with MAP_FIXED");
diff --git a/xpm/core/xpm_misc.c b/xpm/core/xpm_misc.c
index 73bf05eb6e2a07669367e4ccfbe363fbd5b85c75..3879628158d16b4fb1093438e9a87c83538bfbaf 100755
--- a/xpm/core/xpm_misc.c
+++ b/xpm/core/xpm_misc.c
@@ -75,7 +75,7 @@ static long xpm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 static long xpm_compat_ioctl(struct file *file, unsigned int cmd,
 	unsigned long arg)
 {
-	return xpm_ioctl(file, cmd, (uintptr_t)compat_ptr(arg));
+	return 0;
 }
 #endif
 
diff --git a/xpm/include/xpm_misc.h b/xpm/include/xpm_misc.h
index fbdf45e033bbb185414ed661009f9d04e9a5f282..9b459a0a08b1e43d9d91ed30c811f696ea427ece 100755
--- a/xpm/include/xpm_misc.h
+++ b/xpm/include/xpm_misc.h
@@ -6,9 +6,11 @@
 #ifndef _XPM_MISC_H
 #define _XPM_MISC_H
 
+#include <linux/types.h>
+
 struct xpm_region_info {
-	unsigned long addr_base;
-	unsigned long length;
+	uint64_t addr_base;
+	uint64_t length;
 };
 
 int xpm_register_misc_device(void);