From: Mitch Williams <mitch.a.willi...@intel.com>

Add a comment to reduce confusion.

Change-ID: I3d5819c0f3f5174680442ae54398a073d4a61f4f
Signed-off-by: Mitch Williams <mitch.a.willi...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/i40evf/i40evf_main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c 
b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 5673dbd2cf7d..f35dcaac5bb7 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2153,6 +2153,11 @@ static int i40evf_close(struct net_device *netdev)
        adapter->state = __I40EVF_DOWN_PENDING;
        i40evf_free_traffic_irqs(adapter);
 
+       /* We explicitly don't free resources here because the hardware is
+        * still active and can DMA into memory. Resources are cleared in
+        * i40evf_virtchnl_completion() after we get confirmation from the PF
+        * driver that the rings have been stopped.
+        */
        return 0;
 }
 
-- 
2.11.0

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