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Date:      Fri, 26 Feb 2016 09:29:50 +0000 (UTC)
From:      Sepherosa Ziehau <sephe@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r296085 - head/sys/dev/hyperv/netvsc
Message-ID:  <201602260929.u1Q9Tojk003889@repo.freebsd.org>
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Author: sephe
Date: Fri Feb 26 09:29:50 2016
New Revision: 296085
URL: https://svnweb.freebsd.org/changeset/base/296085

Log:
  hyperv/hn: Pass channel as the channel callback argument
  
  This is the preamble to pass channel back to hn(4) upon TX/RX done.
  
  Reviewed by:	Hongjiang Zhang <honzhan microsoft com>
  MFC after:	1 week
  Sponsored by:	Microsoft OSTC
  Differential Revision:	https://reviews.freebsd.org/D5452

Modified:
  head/sys/dev/hyperv/netvsc/hv_net_vsc.c

Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_net_vsc.c	Fri Feb 26 09:23:17 2016	(r296084)
+++ head/sys/dev/hyperv/netvsc/hv_net_vsc.c	Fri Feb 26 09:29:50 2016	(r296085)
@@ -679,7 +679,7 @@ hv_nv_on_device_add(struct hv_device *de
 	 */
 	ret = hv_vmbus_channel_open(device->channel,
 	    NETVSC_DEVICE_RING_BUFFER_SIZE, NETVSC_DEVICE_RING_BUFFER_SIZE,
-	    NULL, 0, hv_nv_on_channel_callback, device);
+	    NULL, 0, hv_nv_on_channel_callback, device->channel);
 	if (ret != 0)
 		goto cleanup;
 
@@ -972,9 +972,10 @@ retry_send_cmplt:
  * Net VSC on channel callback
  */
 static void
-hv_nv_on_channel_callback(void *context)
+hv_nv_on_channel_callback(void *xchan)
 {
-	struct hv_device *device = (struct hv_device *)context;
+	struct hv_vmbus_channel *chan = xchan;
+	struct hv_device *device = chan->device;
 	netvsc_dev *net_dev;
 	device_t dev = device->device;
 	uint32_t bytes_rxed;
@@ -991,7 +992,7 @@ hv_nv_on_channel_callback(void *context)
 	buffer = net_dev->callback_buf;
 
 	do {
-		ret = hv_vmbus_channel_recv_packet_raw(device->channel,
+		ret = hv_vmbus_channel_recv_packet_raw(chan,
 		    buffer, bufferlen, &bytes_rxed, &request_id);
 		if (ret == 0) {
 			if (bytes_rxed > 0) {

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