From: Mohsin Kazmi <sykazmi@cisco.com>
Date: Thu, 25 Apr 2019 12:54:32 +0000 (+0200)
Subject: tap: Fix the indirect buffer allocation
X-Git-Tag: v20.01-rc0~729
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F70%2F19170%2F2;p=vpp.git

tap: Fix the indirect buffer allocation

Change-Id: I73f76c25754f6fb14a49ae47b6404f3cbabbeeb5
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
---

diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index 72499b63731..9fbbc1bf508 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -121,7 +121,7 @@ virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx, u16 sz)
       do
 	{
 	  if (n_alloc < sz)
-	    n_alloc =
+	    n_alloc +=
 	      vlib_buffer_alloc (vm, vring->indirect_buffers + n_alloc,
 				 sz - n_alloc);
 	}