sfc: remove unneeded variable
We don't use ->heap_buf after commit 46d1efd852
("sfc: remove Software
TSO") so let's remove the last traces.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
33f8a0458b
commit
e373909927
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@ -139,8 +139,6 @@ struct efx_special_buffer {
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* struct efx_tx_buffer - buffer state for a TX descriptor
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* @skb: When @flags & %EFX_TX_BUF_SKB, the associated socket buffer to be
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* freed when descriptor completes
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* @heap_buf: When @flags & %EFX_TX_BUF_HEAP, the associated heap buffer to be
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* freed when descriptor completes.
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* @option: When @flags & %EFX_TX_BUF_OPTION, a NIC-specific option descriptor.
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* @dma_addr: DMA address of the fragment.
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* @flags: Flags for allocation and DMA mapping type
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@ -151,10 +149,7 @@ struct efx_special_buffer {
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* Only valid if @unmap_len != 0.
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*/
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struct efx_tx_buffer {
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union {
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const struct sk_buff *skb;
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void *heap_buf;
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};
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const struct sk_buff *skb;
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union {
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efx_qword_t option;
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dma_addr_t dma_addr;
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@ -166,7 +161,6 @@ struct efx_tx_buffer {
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};
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#define EFX_TX_BUF_CONT 1 /* not last descriptor of packet */
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#define EFX_TX_BUF_SKB 2 /* buffer is last part of skb */
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#define EFX_TX_BUF_HEAP 4 /* buffer was allocated with kmalloc() */
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#define EFX_TX_BUF_MAP_SINGLE 8 /* buffer was mapped with dma_map_single() */
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#define EFX_TX_BUF_OPTION 0x10 /* empty buffer for option descriptor */
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@ -84,8 +84,6 @@ static void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
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netif_vdbg(tx_queue->efx, tx_done, tx_queue->efx->net_dev,
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"TX queue %d transmission id %x complete\n",
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tx_queue->queue, tx_queue->read_count);
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} else if (buffer->flags & EFX_TX_BUF_HEAP) {
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kfree(buffer->heap_buf);
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}
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buffer->len = 0;
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