hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

netvsc: mark error cases as unlikely 

Mark if() statements used for error handling only as unlikely()

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2017-06-08 16:21:21 -07:00 committed by David S. Miller
parent 2d05b56097
commit 2d694d2abe
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/hyperv/netvsc.c
View File

@ -855,14 +855,14 @@ int netvsc_send(struct hv_device *device,
bool xmit_more = (skb != NULL) ? skb->xmit_more : false; bool xmit_more = (skb != NULL) ? skb->xmit_more : false;
net_device = get_outbound_net_device(device); net_device = get_outbound_net_device(device);
if (!net_device) if (unlikely(!net_device))
return -ENODEV; return -ENODEV;
/* We may race with netvsc_connect_vsp()/netvsc_init_buf() and get /* We may race with netvsc_connect_vsp()/netvsc_init_buf() and get
* here before the negotiation with the host is finished and * here before the negotiation with the host is finished and
* send_section_map may not be allocated yet. * send_section_map may not be allocated yet.
*/ */
if (!net_device->send_section_map) if (unlikely(!net_device->send_section_map))
return -EAGAIN; return -EAGAIN;
nvchan = &net_device->chan_table[packet->q_idx]; nvchan = &net_device->chan_table[packet->q_idx];