Fix following coverity defect:
291 void
292 vhost_destroy_device(struct vhost_device_ctx ctx)
293 {
294 struct virtio_net *dev = get_device(ctx);
295
>>> CID 124565: Null pointer dereferences (NULL_RETURNS)
>>> Dereferencing a null pointer "dev".
Fixes: 45ca9c6f7bc6 ("vhost: get rid of linked list for devices")
Reported-by: John McNamara
Signed-off-by: Yuanhan Liu
---
lib/librte_vhost/virtio-net.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 90da9ba..d870ad9 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -293,6 +293,9 @@ vhost_destroy_device(struct vhost_device_ctx ctx)
{
struct virtio_net *dev = get_device(ctx);
+ if (dev == NULL)
+ return;
+
if (dev->flags & VIRTIO_DEV_RUNNING)
notify_ops->destroy_device(dev);
--
1.9.0
