commit c6a1b62de9d043f274ec3ae2e207908c6d5feff3
author Stephen Hemminger <shemminger@linux-foundation.org> Mon Jan 07 00:23:04 2008 -0800
committer David S. Miller <davem@davemloft.net> Tue Jan 08 23:30:01 2008 -0800
tree 4546e2a0b4fcea21c30bca1e60f6b81af62c7d7c
parent edba2a1fefc6296bc527754dee1c72a625bb675a

[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

diff --git a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c
index 3653314..0461956 100644
--- a/drivers/net/tulip/interrupt.c
+++ b/drivers/net/tulip/interrupt.c
@@ -151,7 +151,8 @@
                        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) {