From: Carl-Daniel Hailfinger <c-d.hailfinger.kernel.2004@gmx.net>
Handle going-away devices.
---
25-akpm/drivers/net/tulip/interrupt.c | 4 ++++
1 files changed, 4 insertions(+)
diff -puN drivers/net/tulip/interrupt.c~tulip-driver-deadlocks-on-device-removal drivers/net/tulip/interrupt.c
--- 25/drivers/net/tulip/interrupt.c~tulip-driver-deadlocks-on-device-removal 2004-05-25 20:28:58.763354792 -0700
+++ 25-akpm/drivers/net/tulip/interrupt.c 2004-05-25 20:28:58.767354184 -0700
@@ -133,6 +133,10 @@ int tulip_poll(struct net_device *dev, i
tp->rx_ring[entry].status);
do {
+ if (inl(dev->base_addr + CSR5) == 0xffffffff) {
+ printk(KERN_DEBUG " In tulip_poll(), hardware disappeared.\n");
+ break;
+ }
/* Acknowledge current RX interrupt sources. */
outl((RxIntr | RxNoBuf), dev->base_addr + CSR5);
_