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authorHaiyang Zhang <haiyangz@microsoft.com>2015-04-07 01:22:54 +0300
committerDavid S. Miller <davem@davemloft.net>2015-04-08 01:45:33 +0300
commitee90b81203a91d4e5385622811ee7872b5bcfe76 (patch)
tree50d211e19cbda5786e09ddcfe287da64d6d2c91a /drivers/net
parent721514222db13498613706709409c21c105e0f4a (diff)
downloadlinux-ee90b81203a91d4e5385622811ee7872b5bcfe76.tar.xz
hv_netvsc: Fix the packet free when it is in skb headroom
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/hyperv/hyperv_net.h1
-rw-r--r--drivers/net/hyperv/netvsc.c6
-rw-r--r--drivers/net/hyperv/netvsc_drv.c2
3 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 80bc52eb000c..f0b8b3e0ed7c 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 7e83c6ad4bb5..4d4d497d5762 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 73f8fba62a52..e5fa094e6fe2 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 *)