--- zzzz-none-000/linux-3.10.107/drivers/s390/crypto/zcrypt_cca_key.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/s390/crypto/zcrypt_cca_key.h	2021-02-04 17:41:59.000000000 +0000
@@ -291,7 +291,7 @@
 
 	memset(key, 0, sizeof(*key));
 
-	short_len = crt->inputdatalength / 2;
+	short_len = (crt->inputdatalength + 1) / 2;
 	long_len = short_len + 8;
 	pad_len = -(3*long_len + 2*short_len) & 7;
 	key_len = 3*long_len + 2*short_len + pad_len + crt->inputdatalength;