diff options
| author | Mitch Williams <mitch.a.williams@intel.com> | 2016-12-12 15:44:11 -0800 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-02-18 20:35:35 -0800 |
| commit | 51f38262669b88b6f5ec52cb93dc72c58d85dc1f (patch) | |
| tree | f981d073a1a7e865934a56716b9746861f9d9f4d /drivers/net/ethernet/intel/i40evf/i40evf_main.c | |
| parent | 8a68badd12a8b708a02d54cd5aac4d07851a6d5a (diff) | |
| download | lwn-51f38262669b88b6f5ec52cb93dc72c58d85dc1f.tar.gz lwn-51f38262669b88b6f5ec52cb93dc72c58d85dc1f.zip | |
i40evf: add comment
Add a comment to reduce confusion.
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>
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 5 |
1 files changed, 5 insertions, 0 deletions
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; } |