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hv_netvsc: copy_to_send buf can be void 

Since only caller does not care about return value.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2017-12-12 16:48:35 -08:00 committed by David S. Miller
parent 824c2d672a
commit 26a112626d
1 changed files with 8 additions and 14 deletions
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22
drivers/net/hyperv/netvsc.c
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@ -701,19 +701,18 @@ 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;
@ -733,16 +732,11 @@ 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(