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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>
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@ -367,21 +367,20 @@ spider_net_free_rx_chain_contents(struct spider_net_card *card)
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}
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/**
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* spider_net_prepare_rx_descr - reinitializes a rx descriptor
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* spider_net_prepare_rx_descr - Reinitialize RX descriptor
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* @card: card structure
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* @descr: descriptor to re-init
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*
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* return 0 on succes, <0 on failure
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* Return 0 on succes, <0 on failure.
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*
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* allocates a new rx skb, iommu-maps it and attaches it to the descriptor.
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* Activate the descriptor state-wise
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* Allocates a new rx skb, iommu-maps it and attaches it to the
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* descriptor. Mark the descriptor as activated, ready-to-use.
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*/
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static int
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spider_net_prepare_rx_descr(struct spider_net_card *card,
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struct spider_net_descr *descr)
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{
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dma_addr_t buf;
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int error = 0;
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int offset;
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int bufsize;
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@ -409,7 +408,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
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(SPIDER_NET_RXBUF_ALIGN - 1);
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if (offset)
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skb_reserve(descr->skb, SPIDER_NET_RXBUF_ALIGN - offset);
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/* io-mmu-map the skb */
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/* iommu-map the skb */
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buf = pci_map_single(card->pdev, descr->skb->data,
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SPIDER_NET_MAX_FRAME, PCI_DMA_FROMDEVICE);
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descr->buf_addr = buf;
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@ -424,7 +423,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
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SPIDER_NET_DMAC_NOINTR_COMPLETE;
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}
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return error;
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return 0;
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}
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/**
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