1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 507f68190cb1..1121a1ec407c 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -29,6 +29,7 @@
 #include <linux/netdevice.h>
 #include <linux/inetdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/pci.h>
 #include <linux/skbuff.h>
 #include <linux/if_vlan.h>
 #include <linux/in.h>
@@ -2039,12 +2040,16 @@ static int netvsc_register_vf(struct net_device *vf_netdev)
 {
         struct net_device *ndev;
         struct net_device_context *net_device_ctx;
+        struct device *pdev = vf_netdev->dev.parent;
         struct netvsc_device *netvsc_dev;
         int ret;
 
         if (vf_netdev->addr_len != ETH_ALEN)
                 return NOTIFY_DONE;
 
+        if (!pdev || !dev_is_pci(pdev) || dev_is_pf(pdev))
+                return NOTIFY_DONE;
+
         /*
          * We will use the MAC address to locate the synthetic interface to
          * associate with the VF interface. If we don't find a matching