[PATCH] powerpc/cell spidernet release all descrs
Bugfix: rx descriptor release function fails to visit
the last entry while walking receive descriptor ring.
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 a26dd1c..418138d 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -358,7 +358,7 @@
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 @@
PCI_DMA_BIDIRECTIONAL);
}
descr = descr->next;
- }
+ } while (descr != card->rx_chain.head);
}
/**