linux-kernel - [PATCH 3/14] drivers/vhost/vhost.c: delete double assignment

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Message-Id: <1288088743-3725-4-git-send-email-julia@diku.dk>
Date:	Tue, 26 Oct 2010 12:25:32 +0200
From:	Julia Lawall <julia@...u.dk>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	kernel-janitors@...r.kernel.org, kvm@...r.kernel.org,
	virtualization@...ts.osdl.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/14] drivers/vhost/vhost.c: delete double assignment

From: Julia Lawall <julia@...u.dk>

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@...u.dk>

---
 drivers/vhost/vhost.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 94701ff..ed27727 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -157,7 +157,6 @@ static void vhost_vq_reset(struct vhost_dev *dev,
 	vq->avail_idx = 0;
 	vq->last_used_idx = 0;
 	vq->used_flags = 0;
-	vq->used_flags = 0;
 	vq->log_used = false;
 	vq->log_addr = -1ull;
 	vq->vhost_hlen = 0;

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