Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
drivers/staging/hv/netvsc.c | 130 +++++++++++++++++++++----------------------
1 files changed, 64 insertions(+), 66 deletions(-)
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index 8b2defd..75640ea 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -51,8 +51,6 @@ static int netvsc_init_send_buf(struct hv_device *device);
static int netvsc_init_recv_buf(struct hv_device *device);
-static int netvsc_destroy_send_buf(struct netvsc_device *net_device);
-
static int netvsc_connect_vsp(struct hv_device *device);
static void netvsc_send_completion(struct hv_device *device,
@@ -343,6 +341,70 @@ exit:
return ret;
}
+static int netvsc_destroy_send_buf(struct netvsc_device *net_device)
+{
+ struct nvsp_message *revoke_packet;
+ int ret = 0;
+
+ /*
+ * If we got a section count, it means we received a
+ * SendReceiveBufferComplete msg (ie sent
+ * NvspMessage1TypeSendReceiveBuffer msg) therefore, we need
+ * to send a revoke msg here
+ */
+ if (net_device->send_section_size) {
+ /* Send the revoke send buffer */
+ revoke_packet = &net_device->revoke_packet;
+ memset(revoke_packet, 0, sizeof(struct nvsp_message));
+
+ revoke_packet->hdr.msg_type =
+ NVSP_MSG1_TYPE_REVOKE_SEND_BUF;
+ revoke_packet->msg.v1_msg.
+ revoke_send_buf.id = NETVSC_SEND_BUFFER_ID;
+
+ ret = vmbus_sendpacket(net_device->dev->channel,
+ revoke_packet,
+ sizeof(struct nvsp_message),
+ (unsigned long)revoke_packet,
+ VM_PKT_DATA_INBAND, 0);
+ /*
+ * If we failed here, we might as well return and have a leak
+ * rather than continue and a bugchk
+ */
+ if (ret != 0) {
+ dev_err(&net_device->dev->device, "unable to send "
+ "revoke send buffer to netvsp");
+ return -1;
+ }
+ }
+
+ /* Teardown the gpadl on the vsp end */
+ if (net_device->send_buf_gpadl_handle) {
+ ret = vmbus_teardown_gpadl(net_device->dev->channel,
+ net_device->send_buf_gpadl_handle);
+
+ /*
+ * If we failed here, we might as well return and have a leak
+ * rather than continue and a bugchk
+ */
+ if (ret != 0) {
+ dev_err(&net_device->dev->device,
+ "unable to teardown send buffer's gpadl");
+ return -1;
+ }
+ net_device->send_buf_gpadl_handle = 0;
+ }
+
+ if (net_device->send_buf) {
+ /* Free up the receive buffer */
+ free_pages((unsigned long)net_device->send_buf,
+ get_order(net_device->send_buf_size));
+ net_device->send_buf = NULL;
+ }
+
+ return ret;
+}
+
static int netvsc_init_send_buf(struct hv_device *device)
{
int ret = 0;
@@ -436,70 +498,6 @@ exit:
return ret;
}
-static int netvsc_destroy_send_buf(struct netvsc_device *net_device)
-{
- struct nvsp_message *revoke_packet;
- int ret = 0;
-
- /*
- * If we got a section count, it means we received a
- * SendReceiveBufferComplete msg (ie sent
- * NvspMessage1TypeSendReceiveBuffer msg) therefore, we need
- * to send a revoke msg here
- */
- if (net_device->send_section_size) {
- /* Send the revoke send buffer */
- revoke_packet = &net_device->revoke_packet;
- memset(revoke_packet, 0, sizeof(struct nvsp_message));
-
- revoke_packet->hdr.msg_type =
- NVSP_MSG1_TYPE_REVOKE_SEND_BUF;
- revoke_packet->msg.v1_msg.
- revoke_send_buf.id = NETVSC_SEND_BUFFER_ID;
-
- ret = vmbus_sendpacket(net_device->dev->channel,
- revoke_packet,
- sizeof(struct nvsp_message),
- (unsigned long)revoke_packet,
- VM_PKT_DATA_INBAND, 0);
- /*
- * If we failed here, we might as well return and have a leak
- * rather than continue and a bugchk
- */
- if (ret != 0) {
- dev_err(&net_device->dev->device, "unable to send "
- "revoke send buffer to netvsp");
- return -1;
- }
- }
-
- /* Teardown the gpadl on the vsp end */
- if (net_device->send_buf_gpadl_handle) {
- ret = vmbus_teardown_gpadl(net_device->dev->channel,
- net_device->send_buf_gpadl_handle);
-
- /*
- * If we failed here, we might as well return and have a leak
- * rather than continue and a bugchk
- */
- if (ret != 0) {
- dev_err(&net_device->dev->device,
- "unable to teardown send buffer's gpadl");
- return -1;
- }
- net_device->send_buf_gpadl_handle = 0;
- }
-
- if (net_device->send_buf) {
- /* Free up the receive buffer */
- free_pages((unsigned long)net_device->send_buf,
- get_order(net_device->send_buf_size));
- net_device->send_buf = NULL;
- }
-
- return ret;
-}
-
static int netvsc_connect_vsp(struct hv_device *device)
{
--
1.6.3.2
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