interface: fix overflow of link speed.

[vpp.git] / src / plugins / vmxnet3 / vmxnet3.c

diff --git a/src/plugins/vmxnet3/vmxnet3.c b/src/plugins/vmxnet3/vmxnet3.c
index a0c125a..770cb2d 100644 (file)
--- a/src/plugins/vmxnet3/vmxnet3.c
+++ b/src/plugins/vmxnet3/vmxnet3.c
@@ -572,8 +572,9 @@ vmxnet3_event_irq_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h,
     {
       vd->flags |= VMXNET3_DEVICE_F_LINK_UP;
       vd->link_speed = ret >> 16;
-      vnet_hw_interface_set_link_speed (vnm, vd->hw_if_index,
-                                       vd->link_speed * 1000);
+      vnet_hw_interface_set_link_speed (
+       vnm, vd->hw_if_index,
+       (vd->link_speed == UINT32_MAX) ? UINT32_MAX : vd->link_speed * 1000);
       vnet_hw_interface_set_flags (vnm, vd->hw_if_index,
                                   VNET_HW_INTERFACE_FLAG_LINK_UP);
     }
@@ -867,8 +868,9 @@ vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args)
   vd->flags |= VMXNET3_DEVICE_F_INITIALIZED;
   vmxnet3_enable_interrupt (vd);
 
-  vnet_hw_interface_set_link_speed (vnm, vd->hw_if_index,
-                                   vd->link_speed * 1000);
+  vnet_hw_interface_set_link_speed (
+    vnm, vd->hw_if_index,
+    (vd->link_speed == UINT32_MAX) ? UINT32_MAX : vd->link_speed * 1000);
   if (vd->flags & VMXNET3_DEVICE_F_LINK_UP)
     vnet_hw_interface_set_flags (vnm, vd->hw_if_index,
                                 VNET_HW_INTERFACE_FLAG_LINK_UP);