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ixgb: Add missing dma_mapping_error-call in ixgb_alloc_rx_buffers

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

Additionally this patch fixes one coding-style error.

Signed-off-by: Christoph Paasch <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
This commit is contained in:
Christoph Paasch 2013-03-20 08:59:41 +00:00 • committed by Jeff Kirsher
commit 065946c65a
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/intel/ixgb/ixgb_main.c
View file

@ -2159,6 +2159,10 @@ map_skb:
skb->data,
adapter->rx_buffer_len,
DMA_FROM_DEVICE);
if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
adapter->alloc_rx_buff_failed++;
break;
}
rx_desc = IXGB_RX_DESC(*rx_ring, i);
rx_desc->buff_addr = cpu_to_le64(buffer_info->dma);
@ -2168,7 +2172,8 @@ map_skb:
rx_desc->status = 0;
if (++i == rx_ring->count) i = 0;
if (++i == rx_ring->count)
i = 0;
buffer_info = &rx_ring->buffer_info[i];
}