From 2d694d2abe83c552dca156982ff378beb3ef0f1e Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Thu, 8 Jun 2017 16:21:21 -0700 Subject: [PATCH] netvsc: mark error cases as unlikely Mark if() statements used for error handling only as unlikely() Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/hyperv/netvsc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 652453d9fb08..caf89a245ba6 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -855,14 +855,14 @@ int netvsc_send(struct hv_device *device, bool xmit_more = (skb != NULL) ? skb->xmit_more : false; net_device = get_outbound_net_device(device); - if (!net_device) + if (unlikely(!net_device)) return -ENODEV; /* We may race with netvsc_connect_vsp()/netvsc_init_buf() and get * here before the negotiation with the host is finished and * send_section_map may not be allocated yet. */ - if (!net_device->send_section_map) + if (unlikely(!net_device->send_section_map)) return -EAGAIN; nvchan = &net_device->chan_table[packet->q_idx]; -- 2.11.0