From b323e0e49fe9331ee3a7a336af879d6e303b16b3 Mon Sep 17 00:00:00 2001
From: Ron Mercer <ron.mercer@qlogic.com>
Date: Mon, 1 Oct 2007 11:43:22 -0700
Subject: [PATCH] qla3xxx: bugfix: Add memory barrier before accessing rx
completion.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/net/qla3xxx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 69da95b5ad0c..c3fe1c7c301c 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -2248,6 +2248,7 @@ static int ql_tx_rx_clean(struct ql3_adapter *qdev,
qdev->rsp_consumer_index) && (work_done < work_to_do)) {
net_rsp = qdev->rsp_current;
+ rmb();
switch (net_rsp->opcode) {
case OPCODE_OB_MAC_IOCB_FN0:
--
2.20.1