diff options
Diffstat (limited to 'drivers/net/hyperv')
| -rw-r--r-- | drivers/net/hyperv/netvsc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 02bab9a7c9ff..059fc5231601 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -867,6 +867,14 @@ int netvsc_send(struct hv_device *device, packet->send_buf_index = NETVSC_INVALID_INDEX; packet->cp_partial = false; + /* Send control message directly without accessing msd (Multi-Send + * Data) field which may be changed during data packet processing. + */ + if (!skb) { + cur_send = packet; + goto send_now; + } + msdp = &net_device->msd[q_idx]; /* batch packets in send buffer if possible */ @@ -939,6 +947,7 @@ int netvsc_send(struct hv_device *device, } } +send_now: if (cur_send) ret = netvsc_send_pkt(cur_send, net_device, pb, skb); |