Since only caller does not care about return value.

Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
---
 drivers/net/hyperv/netvsc.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index e4bcd202a56a..9407907c4988 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -696,19 +696,18 @@ static u32 netvsc_get_next_send_section(struct 
netvsc_device *net_device)
        return NETVSC_INVALID_INDEX;
 }
 
-static u32 netvsc_copy_to_send_buf(struct netvsc_device *net_device,
-                                  unsigned int section_index,
-                                  u32 pend_size,
-                                  struct hv_netvsc_packet *packet,
-                                  struct rndis_message *rndis_msg,
-                                  struct hv_page_buffer *pb,
-                                  struct sk_buff *skb)
+static void netvsc_copy_to_send_buf(struct netvsc_device *net_device,
+                                   unsigned int section_index,
+                                   u32 pend_size,
+                                   struct hv_netvsc_packet *packet,
+                                   struct rndis_message *rndis_msg,
+                                   struct hv_page_buffer *pb,
+                                   struct sk_buff *skb)
 {
        char *start = net_device->send_buf;
        char *dest = start + (section_index * net_device->send_section_size)
                     + pend_size;
        int i;
-       u32 msg_size = 0;
        u32 padding = 0;
        u32 page_count = packet->cp_partial ? packet->rmsg_pgcnt :
                packet->page_buf_cnt;
@@ -728,16 +727,11 @@ static u32 netvsc_copy_to_send_buf(struct netvsc_device 
*net_device,
                u32 len = pb[i].len;
 
                memcpy(dest, (src + offset), len);
-               msg_size += len;
                dest += len;
        }
 
-       if (padding) {
+       if (padding)
                memset(dest, 0, padding);
-               msg_size += padding;
-       }
-
-       return msg_size;
 }
 
 static inline int netvsc_send_pkt(
-- 
2.11.0

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