-# define le16_to_cpu(n) bswap16(n)
-# define le32_to_cpu(n) bswap32(n)
-# define le64_to_cpu(n) bswap64(n)
-# define cpu_to_le16(n) bswap16(n)
-# define cpu_to_le32(n) bswap32(n)
-# define cpu_to_le64(n) bswap64(n)
+# define cpu_to_le16(n) ((_force_attr le16)bswap16(n))
+# define cpu_to_le32(n) ((_force_attr le32)bswap32(n))
+# define cpu_to_le64(n) ((_force_attr le64)bswap64(n))
+# define le16_to_cpu(n) bswap16((_force_attr u16)(le16)(n))
+# define le32_to_cpu(n) bswap32((_force_attr u32)(le32)(n))
+# define le64_to_cpu(n) bswap64((_force_attr u64)(le64)(n))