Malfunctioning virtio clients may not send VHOST_USER_SET_MEM_TABLE for
some reason. This causes NULL dereference in qva_to_vva().
Change-Id: Ibc8f6637fb5fb9885b02c316adf18afd45e0d49a
Signed-off-by: Pavel Fedin <p.fedin at samsung.com>
---
lib/librte_vhost/virtio-net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 0ba5045..3e7cec0 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -630,7 +630,7 @@ set_vring_addr(struct vhost_device_ctx ctx, struct
vhost_vring_addr *addr)
struct vhost_virtqueue *vq;
dev = get_device(ctx);
- if (dev == NULL)
+ if ((dev == NULL) || (dev->mem == NULL))
return -1;
/* addr->index refers to the queue index. The txq 1, rxq is 0. */
--
2.1.1
