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hyperv/hn: Free the txdesc buf_ring when the TX ring is destroyed

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Reviewed by:	adrian
Approved by:	adrian (mentor)
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5318
This commit is contained in:
Sepherosa Ziehau 2016-02-19 05:13:56 +00:00
parent ea2f3d1776
commit 563d00ab5c
1 changed files with 5 additions and 0 deletions
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5
sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
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@ -2276,6 +2276,11 @@ hn_destroy_tx_ring(struct hn_tx_ring *txr)
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;