Strange patch to the Z85230 driver.

[Alan Cox]

These are DMA ring buffers for ISA DMA, they do not need to be zeroed. 

diff -Nru a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
--- a/drivers/net/wan/z85230.c	Fri Oct 11 21:22:51 2002
+++ b/drivers/net/wan/z85230.c	Fri Oct 11 21:22:51 2002
@@ -889,12 +889,12 @@
 	if(c->mtu  > PAGE_SIZE/2)
 		return -EMSGSIZE;
 	 
-	c->rx_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+	c->rx_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
 	if(c->rx_buf[0]==NULL)
 		return -ENOBUFS;
 	c->rx_buf[1]=c->rx_buf[0]+PAGE_SIZE/2;
 	
-	c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+	c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
 	if(c->tx_dma_buf[0]==NULL)
 	{
 		free_page((unsigned long)c->rx_buf[0]);
@@ -1079,7 +1079,7 @@
 	if(c->mtu  > PAGE_SIZE/2)
 		return -EMSGSIZE;
 	 
-	c->tx_dma_buf[0]=(void *)get_free_page(GFP_KERNEL|GFP_DMA);
+	c->tx_dma_buf[0]=(void *)get_zeroed_page(GFP_KERNEL|GFP_DMA);
 	if(c->tx_dma_buf[0]==NULL)
 		return -ENOBUFS;