hv_netvsc: move subchannel existence check to netvsc_select_queue()

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 731054e..8d534a3 100644 (file)
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -1272,19 +1272,4 @@ struct rndis_message {
 #define TRANSPORT_INFO_IPV6_TCP ((INFO_IPV6 << 16) | INFO_TCP)
 #define TRANSPORT_INFO_IPV6_UDP ((INFO_IPV6 << 16) | INFO_UDP)
 
-static inline struct vmbus_channel *get_channel(struct hv_netvsc_packet *packet,
-                                       struct netvsc_device *net_device)
-
-{
-       struct vmbus_channel *out_channel;
-
-       out_channel = net_device->chn_table[packet->q_idx];
-       if (!out_channel) {
-               out_channel = net_device->dev->channel;
-               packet->q_idx = 0;
-       }
-       return out_channel;
-}
-
-
 #endif /* _HYPERV_NET_H */

diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 0e0b723..419b055 100644 (file)
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -749,8 +749,8 @@ static inline int netvsc_send_pkt(
        struct netvsc_device *net_device)
 {
        struct nvsp_message nvmsg;
-       struct vmbus_channel *out_channel = get_channel(packet, net_device);
        u16 q_idx = packet->q_idx;
+       struct vmbus_channel *out_channel = net_device->chn_table[q_idx];
        struct net_device *ndev = net_device->ndev;
        u64 req_id;
        int ret;
@@ -859,8 +859,7 @@ int netvsc_send(struct hv_device *device,
        if (!net_device)
                return -ENODEV;
 
-       out_channel = get_channel(packet, net_device);
-       q_idx = packet->q_idx;
+       out_channel = net_device->chn_table[q_idx];
 
        packet->send_buf_index = NETVSC_INVALID_INDEX;
        packet->cp_partial = false;

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index b820888..38b53fa 100644 (file)
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -273,6 +273,9 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb,
                skb_set_hash(skb, hash, PKT_HASH_TYPE_L3);
        }
 
+       if (!nvsc_dev->chn_table[q_idx])
+               q_idx = 0;
+
        return q_idx;
 }