The rte_pktmbuf_detach() function should decrease refcnt on a direct buffer.
Signed-off-by: Hiroyuki Mikita <h.mikita89 at gmail.com> --- lib/librte_mbuf/rte_mbuf.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 529debb..3b117ca 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -1468,9 +1468,11 @@ static inline void rte_pktmbuf_attach(struct rte_mbuf *mi, struct rte_mbuf *m) */ static inline void rte_pktmbuf_detach(struct rte_mbuf *m) { + struct rte_mbuf *md = rte_mbuf_from_indirect(m); struct rte_mempool *mp = m->pool; uint32_t mbuf_size, buf_len, priv_size; + rte_mbuf_refcnt_update(md, -1); priv_size = rte_pktmbuf_priv_size(mp); mbuf_size = sizeof(struct rte_mbuf) + priv_size; buf_len = rte_pktmbuf_data_room_size(mp); @@ -1498,7 +1500,7 @@ __rte_pktmbuf_prefree_seg(struct rte_mbuf *m) if (RTE_MBUF_INDIRECT(m)) { struct rte_mbuf *md = rte_mbuf_from_indirect(m); rte_pktmbuf_detach(m); - if (rte_mbuf_refcnt_update(md, -1) == 0) + if (rte_mbuf_refcnt_read(md) == 0) __rte_mbuf_raw_free(md); } return m; -- 1.9.1