linux-kernel - [PATCH 1/4] drivers/xen/xenbus/xenbus_client.c: Remove redundancy asignment to 'addr'

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Date:	Sun, 14 Sep 2014 18:49:33 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	konrad.wilk@...cle.com, boris.ostrovsky@...cle.com,
	David Vrabel <david.vrabel@...rix.com>,
	stefano.stabellini@...citrix.com, mukesh.rathor@...cle.com
CC:	xen-devel@...ts.xenproject.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] drivers/xen/xenbus/xenbus_client.c: Remove redundancy
 asignment to 'addr'

When failure occurs, 'node' is already set to NULL, and it is enough
for next checking (which will return in time), so need not set 'addr'.

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 drivers/xen/xenbus/xenbus_client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 439c9dc..277e74d 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -636,7 +636,7 @@ static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr)
 			goto found;
 		}
 	}
-	node = addr = NULL;
+	node = NULL;
  found:
 	spin_unlock(&xenbus_valloc_lock);
 
-- 
1.9.3
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