Remove unused variable; this makes code easier to read.
Tweak commentary.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Cc: James K Lewis <[EMAIL PROTECTED]>
Cc: Arnd Bergmann <[EMAIL PROTECTED]>
----
drivers/net/spider_net.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
Index: linux-2.6.19-git7/drivers/net/spider_net.c
===================================================================
--- linux-2.6.19-git7.orig/drivers/net/spider_net.c 2006-12-06
16:03:09.000000000 -0600
+++ linux-2.6.19-git7/drivers/net/spider_net.c 2006-12-06 16:03:11.000000000
-0600
@@ -341,17 +341,16 @@ spider_net_free_rx_chain_contents(struct
* @card: card structure
* @descr: descriptor to re-init
*
- * return 0 on succes, <0 on failure
+ * Return 0 on succes, <0 on failure.
*
- * allocates a new rx skb, iommu-maps it and attaches it to the descriptor.
- * Activate the descriptor state-wise
+ * Allocates a new rx skb, iommu-maps it and attaches it to the
+ * descriptor. Mark the descriptor as activated, ready-to-use.
*/
static int
spider_net_prepare_rx_descr(struct spider_net_card *card,
struct spider_net_descr *descr)
{
dma_addr_t buf;
- int error = 0;
int offset;
int bufsize;
@@ -379,7 +378,7 @@ spider_net_prepare_rx_descr(struct spide
(SPIDER_NET_RXBUF_ALIGN - 1);
if (offset)
skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset);
- /* io-mmu-map the skb */
+ /* iommu-map the skb */
buf = pci_map_single(card->pdev, descr->skb->data,
SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
descr->buf_addr = buf;
@@ -394,7 +393,7 @@ spider_net_prepare_rx_descr(struct spide
SPIDER_NET_DMAC_NOINTR_COMPLETE;
}
- return error;
+ return 0;
}
/**
-
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