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Subject[PATCH 4/21]: powerpc/cell spidernet force-end fix
From

Bugfix: when cleaning up the transmit queue upon device close,
be sure to walk the entire queue.

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

----
drivers/net/spider_net.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
Index: linux-2.6.18-mm2/drivers/net/spider_net.c
===================================================================
--- linux-2.6.18-mm2.orig/drivers/net/spider_net.c 2006-10-10 12:21:40.000000000 -0500
+++ linux-2.6.18-mm2/drivers/net/spider_net.c 2006-10-10 12:22:49.000000000 -0500
@@ -699,6 +699,8 @@ spider_net_release_tx_descr(struct spide

/* unmap the skb */
skb = descr->skb;
+ if (!skb)
+ return;
pci_unmap_single(card->pdev, descr->buf_addr, skb->len,
PCI_DMA_TODEVICE);
dev_kfree_skb_any(skb);
@@ -751,7 +753,8 @@ spider_net_release_tx_chain(struct spide

default:
card->netdev_stats.tx_dropped++;
- return 1;
+ if (!brutal)
+ return 1;
}
spider_net_release_tx_descr(card);
}
-
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