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hv_netvsc: Fix book keeping of skb during batching process

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Since eliminating send_completion_tid from struct hv_netvsc_packet, we
haven't add proper book keeping for the skb of the batched packet. This
patch fixes this issue and allows the previous skb is properly freed.
Otherwise, a panic may happen.
Thanks to Simon Xiao <sixiao@microsoft.com> for bisecting and analysis.

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>
This commit is contained in:
Haiyang Zhang
2016-01-25 09:49:31 -08:00
committed by David S. Miller
parent 757647e10e
commit c85e492445
2 changed files with 23 additions and 11 deletions
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drivers/net/hyperv/hyperv_net.h
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@@ -624,6 +624,7 @@ struct nvsp_message {
#define RNDIS_PKT_ALIGN_DEFAULT 8
struct multi_send_data {
struct sk_buff *skb; /* skb containing the pkt */
struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
u32 count; /* counter of batched packets */
};