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-rw-r--r--tools/virtio/linux/ucopysize.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/virtio/linux/ucopysize.h b/tools/virtio/linux/ucopysize.h
new file mode 100644
index 000000000000..8beb7755d060
--- /dev/null
+++ b/tools/virtio/linux/ucopysize.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_UCOPYSIZE_H__
+#define __LINUX_UCOPYSIZE_H__
+
+#include <linux/bug.h>
+
+static inline void check_object_size(const void *ptr, unsigned long n,
+ bool to_user)
+{ }
+
+static inline void copy_overflow(int size, unsigned long count)
+{
+}
+
+static __always_inline __must_check bool
+check_copy_size(const void *addr, size_t bytes, bool is_source)
+{
+ return true;
+}
+
+#endif /* __LINUX_UCOPYSIZE_H__ */