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virtio: fix the NULL deference
33/28633/1
author
Mohsin Kazmi
<sykazmi@cisco.com>
Tue, 1 Sep 2020 15:45:56 +0000
(17:45 +0200)
committer
Mohsin Kazmi
<sykazmi@cisco.com>
Tue, 1 Sep 2020 15:47:36 +0000
(17:47 +0200)
Type: fix
Change-Id: I8d55c2bfdd3c4607044370ebabf40cbac78b4996
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
src/vnet/devices/virtio/pci.c
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diff --git
a/src/vnet/devices/virtio/pci.c
b/src/vnet/devices/virtio/pci.c
index
4877117
..
307e73b
100644
(file)
--- a/
src/vnet/devices/virtio/pci.c
+++ b/
src/vnet/devices/virtio/pci.c
@@
-1219,7
+1219,8
@@
virtio_pci_delete_if (vlib_main_t * vm, virtio_if_t * vif)
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)
{