Bugfix: rx descriptor release function fails to visit
the last entry while walking receive descriptor ring.

Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Cc: James K Lewis <[EMAIL PROTECTED]>
Cc: Arnd Bergmann <[EMAIL PROTECTED]>

----
 drivers/net/spider_net.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 
13:37:40.000000000 -0500
+++ linux-2.6.18-mm2/drivers/net/spider_net.c   2006-10-10 13:40:56.000000000 
-0500
@@ -358,7 +358,7 @@ spider_net_free_rx_chain_contents(struct
        struct spider_net_descr *descr;
 
        descr = card->rx_chain.head;
-       while (descr->next != card->rx_chain.head) {
+       do {
                if (descr->skb) {
                        dev_kfree_skb(descr->skb);
                        pci_unmap_single(card->pdev, descr->buf_addr,
@@ -366,7 +366,7 @@ spider_net_free_rx_chain_contents(struct
                                         PCI_DMA_BIDIRECTIONAL);
                }
                descr = descr->next;
-       }
+       } while (descr != card->rx_chain.head);
 }
 
 /**
-
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