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

[Chen Gang]

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@xxxxxxxxx>
---
 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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