hyperv: netvsc: Neaten netvsc_send_pkt by using a temporary
Repeated dereference of nvmsg.msg.v1_msg.send_rndis_pkt can be
shortened by using a temporary. Do so.
No change in object code.
Miscellanea:
o Use * const for rpkt and nvchan
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index c64934c..9598220 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -747,8 +747,10 @@
struct sk_buff *skb)
{
struct nvsp_message nvmsg;
- struct netvsc_channel *nvchan
- = &net_device->chan_table[packet->q_idx];
+ struct nvsp_1_message_send_rndis_packet * const rpkt =
+ &nvmsg.msg.v1_msg.send_rndis_pkt;
+ struct netvsc_channel * const nvchan =
+ &net_device->chan_table[packet->q_idx];
struct vmbus_channel *out_channel = nvchan->channel;
struct net_device *ndev = hv_get_drvdata(device);
struct netdev_queue *txq = netdev_get_tx_queue(ndev, packet->q_idx);
@@ -757,21 +759,16 @@
u32 ring_avail = hv_ringbuf_avail_percent(&out_channel->outbound);
nvmsg.hdr.msg_type = NVSP_MSG1_TYPE_SEND_RNDIS_PKT;
- if (skb != NULL) {
- /* 0 is RMC_DATA; */
- nvmsg.msg.v1_msg.send_rndis_pkt.channel_type = 0;
- } else {
- /* 1 is RMC_CONTROL; */
- nvmsg.msg.v1_msg.send_rndis_pkt.channel_type = 1;
- }
-
- nvmsg.msg.v1_msg.send_rndis_pkt.send_buf_section_index =
- packet->send_buf_index;
- if (packet->send_buf_index == NETVSC_INVALID_INDEX)
- nvmsg.msg.v1_msg.send_rndis_pkt.send_buf_section_size = 0;
+ if (skb)
+ rpkt->channel_type = 0; /* 0 is RMC_DATA */
else
- nvmsg.msg.v1_msg.send_rndis_pkt.send_buf_section_size =
- packet->total_data_buflen;
+ rpkt->channel_type = 1; /* 1 is RMC_CONTROL */
+
+ rpkt->send_buf_section_index = packet->send_buf_index;
+ if (packet->send_buf_index == NETVSC_INVALID_INDEX)
+ rpkt->send_buf_section_size = 0;
+ else
+ rpkt->send_buf_section_size = packet->total_data_buflen;
req_id = (ulong)skb;