linux-kernel - Re: Arrr! Linux 2.6.18

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Date:	Fri, 22 Sep 2006 14:51:20 -0700
From:	Judith Lebzelter <judith@...l.org>
To:	Linus Torvalds <torvalds@...l.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	dale@...nsworth.org
Subject: Re: Arrr! Linux 2.6.18

> 
> Dale Farnsworth:
>       mv643xx_eth: Unmap DMA buffers in receive path
> 

In OSDL's automated cross-compile for powerpc64, kernel 2.6.18 had this 
unexpected error:

drivers/net/mv643xx_eth.c: In function 'mv643xx_eth_receive_queue':
drivers/net/mv643xx_eth.c:388: error: 'RX_SKB_SIZE' undeclared (first use in this function)

Here is a patch that stops the error.

Judith Lebzelter
OSDL

--- drivers/net/mv643xx_eth.c.old	2006-09-22 11:22:47.951049416 -0700
+++ drivers/net/mv643xx_eth.c	2006-09-22 11:23:17.787625304 -0700
@@ -385,7 +385,7 @@
 	struct pkt_info pkt_info;
 
 	while (budget-- > 0 && eth_port_receive(mp, &pkt_info) == ETH_OK) {
-		dma_unmap_single(NULL, pkt_info.buf_ptr, RX_SKB_SIZE,
+		dma_unmap_single(NULL, pkt_info.buf_ptr, ETH_RX_SKB_SIZE,
 							DMA_FROM_DEVICE);
 		mp->rx_desc_count--;
 		received_packets++;
-
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