[dpdk-dev] [PATCH v2] vhost: fix double-free with zero-copy

[patrick . fu]

From: Patrick Fu <patrick...@intel.com>

zmbufs should be set to NULL when getting freed to avoid double free on
the same buffer pointer

Fixes: b0a985d1f340 ("vhost: add dequeue zero copy")

Signed-off-by: Patrick Fu <patrick...@intel.com>
---
v2:
 - revise commit message title

 lib/librte_vhost/vhost_user.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index df0db8a07..9ddeae362 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1934,6 +1934,7 @@ free_zmbufs(struct vhost_virtqueue *vq)
        drain_zmbuf_list(vq);
 
        rte_free(vq->zmbufs);
+       vq->zmbufs = NULL;
 }
 
 /*
-- 
2.17.1