Message ID | 1414010838-20656-1-git-send-email-haiyangz@microsoft.com |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Haiyang Zhang <haiyangz@microsoft.com> Date: Wed, 22 Oct 2014 13:47:18 -0700 > total_data_buflen is used by netvsc_send() to decide if a packet can be put > into send buffer. It should also include the size of RNDIS message before the > Ethernet frame. Otherwise, a messge with total size bigger than send_section_size > may be copied into the send buffer, and cause data corruption. > > [Request to include this patch to the Stable branches] > > Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> > Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Applied and queued up for -stable, thanks. -- 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 --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 9e17d1a..78ec33f 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -550,6 +550,7 @@ do_lso: do_send: /* Start filling in the page buffers with the rndis hdr */ rndis_msg->msg_len += rndis_msg_size; + packet->total_data_buflen = rndis_msg->msg_len; packet->page_buf_cnt = init_page_array(rndis_msg, rndis_msg_size, skb, &packet->page_buf[0]);