From 51f38262669b88b6f5ec52cb93dc72c58d85dc1f Mon Sep 17 00:00:00 2001 From: Mitch Williams Date: Mon, 12 Dec 2016 15:44:11 -0800 Subject: [PATCH] i40evf: add comment Add a comment to reduce confusion. Change-ID: I3d5819c0f3f5174680442ae54398a073d4a61f4f Signed-off-by: Mitch Williams Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- 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; } -- 2.20.1