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Message-Id: <1408818808-18850-6-git-send-email-Julia.Lawall@lip6.fr>
Date:	Sat, 23 Aug 2014 20:33:26 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	joe@...ches.com, kernel-janitors@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] wusb: delete double assignment

From: Julia Lawall <Julia.Lawall@...6.fr>

Delete successive assignments to the same location.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression i;
@@

*i = ...;
 i = ...;
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
The patches in this series do not depend on each other.

 drivers/usb/wusbcore/crypto.c |    2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c
index 9a95b2d..50ce80d 100644
--- a/drivers/usb/wusbcore/crypto.c
+++ b/drivers/usb/wusbcore/crypto.c
@@ -222,8 +222,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
 	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;

--
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