From: Linas Vepstas <linas@austin.ibm.com>
Date: Wed, 13 Dec 2006 21:23:01 +0000 (-0600)
Subject: Spidernet Avoid possible RX chain corruption
X-Git-Tag: v2.6.21-rc1~92^2~31^2~78
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df519ab2c5a774e813459fcb3e3d080276baa7d8;p=linux-2.6

Spidernet Avoid possible RX chain corruption

Delete possible source of chain corruption; the hardware
already knows the location of the tail, and writing it
again is likely to mess it up.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Cc: James K Lewis <jklewis@us.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 3bf4b9b666..2239c16da5 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -513,7 +513,6 @@ spider_net_alloc_rx_skbs(struct spider_net_card *card)
 	/* This will allocate the rest of the rx buffers;
 	 * if not, it's business as usual later on. */
 	spider_net_refill_rx_chain(card);
-	spider_net_enable_rxchtails(card);
 	spider_net_enable_rxdmac(card);
 	return 0;