[Differential] [Request, 5 lines] D5318: hyperv/hn: Free the txdesc buf_ring when the TX ring is destroyed

[sepherosa_gmail.com (Sepherosa Ziehau)]

sepherosa_gmail.com created this revision.
sepherosa_gmail.com added reviewers: network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com.
sepherosa_gmail.com added subscribers: freebsd-net-list, freebsd-virtualization-list.

REVISION DETAIL
  https://reviews.freebsd.org/D5318

AFFECTED FILES
  sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

CHANGE DETAILS
  diff --git a/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c b/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  --- a/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  +++ b/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
  @@ -2276,6 +2276,11 @@
   		bus_dma_tag_destroy(txr->hn_tx_data_dtag);
   	if (txr->hn_tx_rndis_dtag != NULL)
   		bus_dma_tag_destroy(txr->hn_tx_rndis_dtag);
  +
  +#ifdef HN_USE_TXDESC_BUFRING
  +	buf_ring_free(txr->hn_txdesc_br, M_NETVSC);
  +#endif
  +
   	free(txr->hn_txdesc, M_NETVSC);
   	txr->hn_txdesc = NULL;

EMAIL PREFERENCES
  https://reviews.freebsd.org/settings/panel/emailpreferences/

To: sepherosa_gmail.com, network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com
Cc: freebsd-virtualization-list, freebsd-net-list
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