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From: Roel Kluin <roel.kluin@gmail.com>
To: steve.glendinning@smsc.com
Cc: netdev@vger.kernel.org
Subject: [PATCH] smsc911x: timeout reaches -1
Date: Thu, 29 Jan 2009 16:12:03 +0100	[thread overview]
Message-ID: <4981C743.90202@gmail.com> (raw)

With a postfix decrement the timeout will reach -1 rather than 0,
so the warning will not be issued.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index f513bdf..783c1a7 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -953,7 +953,7 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
 		do {
 			udelay(1);
 			val = smsc911x_reg_read(pdata, RX_DP_CTRL);
-		} while (timeout-- && (val & RX_DP_CTRL_RX_FFWD_));
+		} while (--timeout && (val & RX_DP_CTRL_RX_FFWD_));
 
 		if (unlikely(timeout == 0))
 			SMSC_WARNING(HW, "Timed out waiting for "

             reply	other threads:[~2009-01-29 15:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-29 15:12 Roel Kluin [this message]
2009-01-29 15:22 ` [PATCH] smsc911x: timeout reaches -1 Steve.Glendinning
2009-01-30  1:30   ` David Miller

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