[PATCH] powerpc/cell spidernet force-end fix

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>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index ff409a10274e..52bf1b2968b3 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -699,6 +699,8 @@ spider_net_release_tx_descr(struct spider_net_card *card)
 
         /* 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 spider_net_card *card, int brutal)
 
                 default:
                         card->netdev_stats.tx_dropped++;
-                        return 1;
+                        if (!brutal)
+                                return 1;
                 }
                 spider_net_release_tx_descr(card);
         }