From c6a1b62de9d043f274ec3ae2e207908c6d5feff3 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@linux-foundation.org>
Date: Mon, 7 Jan 2008 00:23:04 -0800
Subject: [PATCH] [TULIP]: NAPI full quantum bug.
This should fix the kernel warn/oops reported while routing.
The tulip driver has a fencepost bug with new NAPI in 2.6.24
It has an off by one bug if a full quantum is reached.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/tulip/interrupt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c
index 3653314463873..0461956d3b50c 100644
--- a/drivers/net/tulip/interrupt.c
+++ b/drivers/net/tulip/interrupt.c
@@ -151,7 +151,8 @@ int tulip_poll(struct napi_struct *napi, int budget)
if (tulip_debug > 5)
printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %8.8x.\n",
dev->name, entry, status);
- if (work_done++ >= budget)
+
+ if (++work_done >= budget)
goto not_done;
if ((status & 0x38008300) != 0x0300) {
--
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