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[TULIP]: NAPI full quantum bug.

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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>
This commit is contained in:
Stephen Hemminger 2008-01-07 00:23:04 -08:00 committed by David S. Miller
parent edba2a1fef
commit c6a1b62de9
1 changed files with 2 additions and 1 deletions
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3
drivers/net/tulip/interrupt.c
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@ -151,7 +151,8 @@ int tulip_poll(struct napi_struct *napi, int budget)
if (tulip_debug > 5) if (tulip_debug > 5)
printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %8.8x.\n", printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %8.8x.\n",
dev->name, entry, status); dev->name, entry, status);
if (work_done++ >= budget)
if (++work_done >= budget)
goto not_done; goto not_done;
if ((status & 0x38008300) != 0x0300) { if ((status & 0x38008300) != 0x0300) {