--- zzzz-none-000/linux-3.10.107/drivers/usb/wusbcore/crypto.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/wusbcore/crypto.c	2021-02-04 17:41:59.000000000 +0000
@@ -87,7 +87,7 @@
  * B1 contains l(a), the MAC header, the encryption offset and padding.
  *
  * If EO is nonzero, additional blocks are built from payload bytes
- * until EO is exahusted (FIXME: padding to 16 bytes, I guess). The
+ * until EO is exhausted (FIXME: padding to 16 bytes, I guess). The
  * padding is not xmitted.
  */
 
@@ -222,8 +222,6 @@
 	WARN_ON(sizeof(ax) != sizeof(struct aes_ccm_block));
 
 	result = -ENOMEM;
-	zero_padding = sizeof(struct aes_ccm_block)
-		- blen % sizeof(struct aes_ccm_block);
 	zero_padding = blen % sizeof(struct aes_ccm_block);
 	if (zero_padding)
 		zero_padding = sizeof(struct aes_ccm_block) - zero_padding;