netdev - [PATCH] smsc9420: fix another postfixed timeout

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Date:	Mon, 16 Feb 2009 07:46:06 +0000
From:	Steve Glendinning <steve.glendinning@...c.com>
To:	netdev@...r.kernel.org
Cc:	Roel Kluin <roel.kluin@...il.com>,
	Vlad Lyalikov <vlad.lyalikov@...c.com>,
	Ian Saturley <ian.saturley@...c.com>,
	David Miller <davem@...emloft.net>,
	Steve Glendinning <steve.glendinning@...c.com>
Subject: [PATCH] smsc9420: fix another postfixed timeout

Roel Kluin recently fixed several instances where variables reach -1,
but 0 is tested afterwards.  This patch fixes another, so the timeout
will be correctly detected and a warning printed.

Signed-off-by: Steve Glendinning <steve.glendinning@...c.com>
---
 drivers/net/smsc9420.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index a1e4b38..83938e1 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -341,7 +341,7 @@ static int smsc9420_eeprom_send_cmd(struct smsc9420_pdata *pd, u32 op)
 	do {
 		msleep(1);
 		e2cmd = smsc9420_reg_read(pd, E2P_CMD);
-	} while ((e2cmd & E2P_CMD_EPC_BUSY_) && (timeout--));
+	} while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout));
 
 	if (!timeout) {
 		smsc_info(HW, "TIMED OUT");
-- 
1.6.0.6

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