Reported-by: Olaf Hering <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
---
 drivers/net/hyperv/rndis_filter.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/net/hyperv/rndis_filter.c 
b/drivers/net/hyperv/rndis_filter.c
index 1e88a10..06f8601 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -46,8 +46,14 @@ struct rndis_request {
        /* Simplify allocation by having a netvsc packet inline */
        struct hv_netvsc_packet pkt;
        struct hv_page_buffer buf;
-       /* FIXME: We assumed a fixed size request here. */
+
        struct rndis_message request_msg;
+       /*
+        * The buffer for the extended info after the RNDIS message. It's
+        * referenced based on the data offset in the RNDIS message. Its size
+        * is enough for current needs, and should be sufficient for the near
+        * future.
+        */
        u8 ext[100];
 };
 
-- 
1.7.4.1

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