From: Benoît Ganne <bganne@cisco.com>
Date: Fri, 20 Nov 2020 18:18:41 +0000 (+0100)
Subject: virtio: fix overflow in case of buffering + drop
X-Git-Tag: v21.06-rc0~139
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=e7af6f7ca4c03dee743c08f7be6e48289ca25ebf;p=vpp.git

virtio: fix overflow in case of buffering + drop

Type: fix
Fixes: 2e6f624f1f82ae0351dd05ad5d930d6876105519

Change-Id: Ib41c82ea1e8430afc920250fb0d054a2fb2d08c9
Signed-off-by: Benoît Ganne <bganne@cisco.com>
---

diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 7e57952905b..6b57dd62e98 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -1042,7 +1042,6 @@ retry:
 							     [frame->n_vectors
 							      - n_left],
 							     n_left);
-      buffers += n_buffered;
       n_left -= n_buffered;
     }
   if (n_left)