staging: vt6655: Remove unused tagDEVICE_TD_INFO curr_desc

The variable is assigned a value that is never used.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/desc.h

@@ -257,7 +257,6 @@ typedef struct tagDEVICE_TD_INFO {
 	struct sk_buff *skb;
 	unsigned char *buf;
 	dma_addr_t          buf_dma;
-	dma_addr_t          curr_desc;
 	unsigned long dwReqCount;
 	unsigned long dwHeaderLength;
 	unsigned char byFlags;

drivers/staging/vt6655/device_main.c

@@ -711,7 +711,6 @@ static void device_init_td0_ring(struct vnt_private *pDevice)
 			pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma0 + (i)*PKT_BUF_SZ;
 		}
 		pDesc->next = &(pDevice->apTD0Rings[(i+1) % pDevice->sOpts.nTxDescs[0]]);
-		pDesc->pTDInfo->curr_desc = cpu_to_le32(curr);
 		pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc));
 	}
 
@@ -737,7 +736,6 @@ static void device_init_td1_ring(struct vnt_private *pDevice)
 			pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma1 + (i) * PKT_BUF_SZ;
 		}
 		pDesc->next = &(pDevice->apTD1Rings[(i + 1) % pDevice->sOpts.nTxDescs[1]]);
-		pDesc->pTDInfo->curr_desc = cpu_to_le32(curr);
 		pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc));
 	}