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Spidernet Remove unused variable 

Remove unused variable; this makes code easier to read.
Tweak commentary.

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>
This commit is contained in:
Linas Vepstas 2006-12-13 15:19:54 -06:00 committed by Jeff Garzik
parent 80dab7c7e5
commit a4182c50bc
1 changed files with 6 additions and 7 deletions
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13
drivers/net/spider_net.c
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@ -367,21 +367,20 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card)
} }
/** /**
* spider_net_prepare_rx_descr - reinitializes a rx descriptor * spider_net_prepare_rx_descr - Reinitialize RX descriptor
* @card: card structure * @card: card structure
* @descr: descriptor to re-init * @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. * Allocates a new rx skb, iommu-maps it and attaches it to the
* Activate the descriptor state-wise * descriptor. Mark the descriptor as activated, ready-to-use.
*/ */
static int static int
spider_net_prepare_rx_descr(struct spider_net_card *card, spider_net_prepare_rx_descr(struct spider_net_card *card,
struct spider_net_descr *descr) struct spider_net_descr *descr)
{ {
dma_addr_t buf; dma_addr_t buf;
int error = 0;
int offset; int offset;
int bufsize; int bufsize;
@ -409,7 +408,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
(SPIDER_NET_RXBUF_ALIGN - 1); (SPIDER_NET_RXBUF_ALIGN - 1);
if (offset) if (offset)
skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - 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, buf = pci_map_single(card->pdev, descr->skb->data,
SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE); SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
descr->buf_addr = buf; descr->buf_addr = buf;
@ -424,7 +423,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
SPIDER_NET_DMAC_NOINTR_COMPLETE; SPIDER_NET_DMAC_NOINTR_COMPLETE;
} }
return error; return 0;
} }
/** /**