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i40evf: add comment

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Change-ID: I3d5819c0f3f5174680442ae54398a073d4a61f4f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams 2016-12-12 15:44:11 -08:00 committed by Jeff Kirsher
parent 8a68badd12
commit 51f3826266
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/intel/i40evf/i40evf_main.c
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@ -2153,6 +2153,11 @@ static int i40evf_close(struct net_device *netdev)
adapter->state = __I40EVF_DOWN_PENDING; adapter->state = __I40EVF_DOWN_PENDING;
i40evf_free_traffic_irqs(adapter); 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; return 0;
} }