commit c79d7353626f530de8bae436883622255e4ef9b2
author Mohsin Kazmi <sykazmi@cisco.com> Tue Sep 01 17:45:56 2020 +0200
committer Mohsin Kazmi <sykazmi@cisco.com> Tue Sep 01 17:47:36 2020 +0200
tree 3fbf861e31031e3486ecd2cebe9e65fd128a666e
parent c96e64b61764b911f665696a54bd0318a22e7a4c

virtio: fix the NULL deference

Type: fix

Change-Id: I8d55c2bfdd3c4607044370ebabf40cbac78b4996
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

src/vnet/devices/virtio/pci.c

diff --git a/src/vnet/devices/virtio/pci.c b/src/vnet/devices/virtio/pci.c
index 4877117..307e73b 100644
--- a/src/vnet/devices/virtio/pci.c
+++ b/src/vnet/devices/virtio/pci.c
@@ -1219,7 +1219,8 @@
   if (vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_CTRL_VQ))
     vif->virtio_pci_func->del_queue (vm, vif, vif->max_queue_pairs * 2);
 
-  vif->virtio_pci_func->device_reset (vm, vif);
+  if (vif->virtio_pci_func)
+    vif->virtio_pci_func->device_reset (vm, vif);
 
   if (vif->hw_if_index)
     {