@@ -144,11 +144,19 @@ EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok);
static int xfrm_dev_register(struct net_device *dev)
{
- if ((dev->features & NETIF_F_HW_ESP) && !dev->xfrmdev_ops)
- return NOTIFY_BAD;
- if ((dev->features & NETIF_F_HW_ESP_TX_CSUM) &&
- !(dev->features & NETIF_F_HW_ESP))
+ if (!(dev->features & NETIF_F_HW_ESP)) {
+ if (dev->features & NETIF_F_HW_ESP_TX_CSUM)
+ return NOTIFY_BAD;
+ else
+ return NOTIFY_DONE;
+ }
+
+#ifdef CONFIG_XFRM_OFFLOAD
+ if (!(dev->xfrmdev_ops &&
+ dev->xfrmdev_ops->xdo_dev_state_add &&
+ dev->xfrmdev_ops->xdo_dev_state_delete))
return NOTIFY_BAD;
+#endif
return NOTIFY_DONE;
}
This adds a check for the required add and delete functions up front at registration time to be sure both are defined. Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> --- net/xfrm/xfrm_device.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)