netdev - [PATCH 2/4]bnx2x: Missing rmb when waiting for FW response

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Date:	Thu, 22 Jan 2009 18:01:29 +0200
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"David Miller" <davem@...emloft.net>
cc:	"Harvey Harrison" <harvey.harrison@...il.com>,
	"Michal Kalderon" <michals@...adcom.com>, netdev@...r.kernel.org
Subject: [PATCH 2/4]bnx2x: Missing rmb when waiting for FW response

Waiting for the FW to response requires a memory barrier

Signed-off-by: Michal Kalderon <michals@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
 drivers/net/bnx2x_main.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 71fbf2d..f71b8a5 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -6622,6 +6622,7 @@ static int bnx2x_stop_leading(struct bnx2x *bp)
 		}
 		cnt--;
 		msleep(1);
+		rmb(); /* Refresh the dsb_sp_prod */
 	}
 	bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
 	bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
-- 
1.5.4.3




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