i40evf: support Rx interrupt

[dpdk.git] / drivers / net / e1000 / base / e1000_manage.c

diff --git a/drivers/net/e1000/base/e1000_manage.c b/drivers/net/e1000/base/e1000_manage.c
index 30db8920edb0cfa61b23ffbcf195b6034b13d2f3..8564a7f866834455718ba2cd9908ec861d6aa44f 100644 (file)
--- a/drivers/net/e1000/base/e1000_manage.c
+++ b/drivers/net/e1000/base/e1000_manage.c
@@ -1,6 +1,6 @@
 /*******************************************************************************
 
-Copyright (c) 2001-2014, Intel Corporation
+Copyright (c) 2001-2015, Intel Corporation
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -363,9 +363,12 @@ bool e1000_enable_mng_pass_thru(struct e1000_hw *hw)
        } else if ((hw->mac.type == e1000_82574) ||
                   (hw->mac.type == e1000_82583)) {
                u16 data;
+               s32 ret_val;
 
                factps = E1000_READ_REG(hw, E1000_FACTPS);
-               e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
+               ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
+               if (ret_val)
+                       return false;
 
                if (!(factps & E1000_FACTPS_MNGCG) &&
                    ((data & E1000_NVM_INIT_CTRL2_MNGM) ==