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e1000e: Add missing dma_mapping_error-call in e1000_alloc_jumbo_rx_buffers 

After dma_map_page, dma_mapping_error must be called. It seems safe to
not free the skb/page allocated in this function, as the skb/page can be
reused later.

Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Christoph Paasch 2013-03-20 08:59:46 +00:00 committed by Jeff Kirsher
parent 065946c65a
commit 37287fae7e
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/intel/e1000e/netdev.c
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@ -848,11 +848,16 @@ check_page:
}
}
if (!buffer_info->dma)
if (!buffer_info->dma) {
buffer_info->dma = dma_map_page(&pdev->dev,
buffer_info->page, 0,
PAGE_SIZE,
DMA_FROM_DEVICE);
if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
adapter->alloc_rx_buff_failed++;
break;
}
}
rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
rx_desc->read.buffer_addr = cpu_to_le64(buffer_info->dma);