atm: [he] adjust tests to account for sk_wmem_alloc changes

due to reference counting sk_wmem_alloc now has a value of 1 when all
the outstanding data has been sent.

Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index e906658..e8c6529 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -2505,7 +2505,7 @@
 		 * TBRQ, the host issues the close command to the adapter.
 		 */
 
-		while (((tx_inuse = atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) > 0) &&
+		while (((tx_inuse = atomic_read(&sk_atm(vcc)->sk_wmem_alloc)) > 1) &&
 		       (retry < MAX_RETRY)) {
 			msleep(sleep);
 			if (sleep < 250)
@@ -2514,7 +2514,7 @@
 			++retry;
 		}
 
-		if (tx_inuse)
+		if (tx_inuse > 1)
 			hprintk("close tx cid 0x%x tx_inuse = %d\n", cid, tx_inuse);
 
 		/* 2.3.1.1 generic close operations with flush */