From: Jin Yu <jin.yu@intel.com> To: Maxime Coquelin <maxime.coquelin@redhat.com>, Tiwei Bie <tiwei.bie@intel.com>, Zhihong Wang <zhihong.wang@intel.com> Cc: dev@dpdk.org, Jin Yu <jin.yu@intel.com>, stable@dpdk.org Subject: [dpdk-stable] [PATCH] vhost: add protocol feature check Date: Wed, 25 Dec 2019 22:24:45 +0800 Message-ID: <20191225142445.66106-1-jin.yu@intel.com> (raw) Add VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD check in getting inflight ring functions. Fixes: 4d891f77ddfa ("vhost: add APIs to get inflight ring") Cc: stable@dpdk.org Signed-off-by: Jin Yu <jin.yu@intel.com> --- lib/librte_vhost/vhost.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c index 1cbe948f7..dfb71732b 100644 --- a/lib/librte_vhost/vhost.c +++ b/lib/librte_vhost/vhost.c @@ -862,6 +862,10 @@ rte_vhost_get_vhost_ring_inflight(int vid, uint16_t vring_idx, if (unlikely(!dev)) return -1; + if (unlikely(!(dev->protocol_features & + (1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))) + return 0; + if (vring_idx >= VHOST_MAX_VRING) return -1; @@ -1431,6 +1435,10 @@ rte_vhost_get_vring_base_from_inflight(int vid, if (dev == NULL || last_avail_idx == NULL || last_used_idx == NULL) return -1; + if (unlikely(!(dev->protocol_features & + (1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)))) + return 0; + if (!vq_is_packed(dev)) return -1; -- 2.17.2
next reply other threads:[~2019-12-25 6:46 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-25 14:24 Jin Yu [this message] 2020-01-13 2:52 ` Tiwei Bie
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