diff options
| -rw-r--r-- | drivers/net/pcmcia/pcnet_cs.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index b0126304ca08..181b6ed55003 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1537,20 +1537,20 @@ static void shmem_get_8390_hdr(struct net_device *dev, static void shmem_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) { - void __iomem *xfer_start = ei_status.mem + (TX_PAGES<<8) - + ring_offset + void __iomem *base = ei_status.mem; + unsigned long offset = (TX_PAGES<<8) + ring_offset - (ei_status.rx_start_page << 8); char *buf = skb->data; - if (xfer_start + count > (void __iomem *)ei_status.rmem_end) { + if (offset + count > ei_status.priv) { /* We must wrap the input move. */ - int semi_count = (void __iomem *)ei_status.rmem_end - xfer_start; - copyin(buf, xfer_start, semi_count); + int semi_count = ei_status.priv - offset; + copyin(buf, base + offset, semi_count); buf += semi_count; - xfer_start = ei_status.mem + (TX_PAGES<<8); + offset = TX_PAGES<<8; count -= semi_count; } - copyin(buf, xfer_start, count); + copyin(buf, base + offset, count); } /*====================================================================*/ @@ -1611,8 +1611,9 @@ static int setup_shmem_window(dev_link_t *link, int start_pg, } ei_status.mem = info->base + offset; + ei_status.priv = req.Size; dev->mem_start = (u_long)ei_status.mem; - dev->mem_end = ei_status.rmem_end = (u_long)info->base + req.Size; + dev->mem_end = dev->mem_start + req.Size; ei_status.tx_start_page = start_pg; ei_status.rx_start_page = start_pg + TX_PAGES; |