From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Wed, 2 Dec 2015 00:43:11 +0000 (-0800)
Subject: hv_netvsc: move subchannel existence check to netvsc_select_queue()
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8b9fbe1ac390689f01153d6af8485caec5423ccc;p=openwrt%2Fstaging%2Fblogic.git

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 731054ef6da5..8d534a324ce1 100644
--- 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 0e0b723df1ac..419b05515b92 100644
--- 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 b820888409bc..38b53faa8119 100644
--- 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;
 }