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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 39856371acb1..b64f1fc8a397 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -544,13 +544,18 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
- if (retval)
+ if (retval) {
pr_err("Error receiving message from VF\n");
+ return retval;
+ }
/* this is a message we already processed, do nothing */
if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
return retval;
+ /* flush the ack before we write any messages back */
+ IXGBE_WRITE_FLUSH(hw);
+
/*
* until the vf completes a virtual function reset it should not be
* allowed to start any configuration.