svn commit: r295794 - head/sys/dev/hyperv/netvsc

[Sepherosa Ziehau]

Author: sephe
Date: Fri Feb 19 05:13:56 2016
New Revision: 295794
URL: https://svnweb.freebsd.org/changeset/base/295794

Log:
  hyperv/hn: Free the txdesc buf_ring when the TX ring is destroyed
  
  Reviewed by:	adrian
  Approved by:	adrian (mentor)
  MFC after:	1 week
  Sponsored by:	Microsoft OSTC
  Differential Revision:	https://reviews.freebsd.org/D5318

Modified:
  head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c

Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	Fri Feb 19 05:08:44 2016	(r295793)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c	Fri Feb 19 05:13:56 2016	(r295794)
@@ -2276,6 +2276,11 @@ hn_destroy_tx_ring(struct hn_tx_ring *tx
 		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;