diff mbox

[net-next,3/3] hv_netvsc: Fix the packet free when it is in skb headroom

Message ID 1428358974-7958-3-git-send-email-haiyangz@microsoft.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Haiyang Zhang April 6, 2015, 10:22 p.m. UTC 
In the two places changed, we now use netvsc_xmit_completion() which properly
frees hv_netvsc_packet in or not in skb headroom.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
---
 drivers/net/hyperv/hyperv_net.h |    1 +
 drivers/net/hyperv/netvsc.c     |    6 ++++--
 drivers/net/hyperv/netvsc_drv.c |    2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

Comments

David Miller April 7, 2015, 10:45 p.m. UTC | #1 
From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Mon,  6 Apr 2015 15:22:54 -0700

> In the two places changed, we now use netvsc_xmit_completion() which properly
> frees hv_netvsc_packet in or not in skb headroom.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 80bc52e..f0b8b3e 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -188,6 +188,7 @@  int netvsc_send(struct hv_device *device,
 		struct hv_netvsc_packet *packet);
 void netvsc_linkstatus_callback(struct hv_device *device_obj,
 				struct rndis_message *resp);
+void netvsc_xmit_completion(void *context);
 int netvsc_recv_callback(struct hv_device *device_obj,
 			struct hv_netvsc_packet *packet,
 			struct ndis_tcp_ip_checksum_info *csum_info);
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 7e83c6a..4d4d497 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -878,7 +878,9 @@  int netvsc_send(struct hv_device *device,
 		packet->send_buf_index = section_index;
 		packet->total_data_buflen += msd_len;
 
-		kfree(msdp->pkt);
+		if (msdp->pkt)
+			netvsc_xmit_completion(msdp->pkt);
+
 		if (packet->xmit_more) {
 			msdp->pkt = packet;
 			msdp->count++;
@@ -902,7 +904,7 @@  int netvsc_send(struct hv_device *device,
 		if (m_ret != 0) {
 			netvsc_free_send_slot(net_device,
 					      msd_send->send_buf_index);
-			kfree(msd_send);
+			netvsc_xmit_completion(msd_send);
 		}
 	}
 
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 73f8fba..e5fa094 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -229,7 +229,7 @@  static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb,
 	return q_idx;
 }
 
-static void netvsc_xmit_completion(void *context)
+void netvsc_xmit_completion(void *context)
 {
 	struct hv_netvsc_packet *packet = (struct hv_netvsc_packet *)context;
 	struct sk_buff *skb = (struct sk_buff *)