linux-kernel - [PATCH] niu: timeout ignored in tcam_wait

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Message-ID: <4B376AF3.6090408@gmail.com>
Date:	Sun, 27 Dec 2009 15:10:59 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	netdev@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] niu: timeout ignored in tcam_wait_bit()

With `while (--limit > 0)' i reaches 0 after the loop, so upon timeout the
error was not returned.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 8ce58c4..2aed2b3 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -2844,7 +2844,7 @@ static int tcam_wait_bit(struct niu *np, u64 bit)
 			break;
 		udelay(1);
 	}
-	if (limit < 0)
+	if (limit <= 0)
 		return -ENODEV;
 
 	return 0;
--
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