linux-kernel - [PATCH RFC v7 02/14] fixup! vhost: option to fetch descriptors through an independent struct

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Date:   Wed, 10 Jun 2020 07:35:59 -0400
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, Jason Wang <jasowang@...hat.com>,
        eperezma@...hat.com
Subject: [PATCH RFC v7 02/14] fixup! vhost: option to fetch descriptors
 through an independent struct

---
 drivers/vhost/vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 180b7b58c76b..11433d709651 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2614,7 +2614,7 @@ int vhost_get_vq_desc_batch(struct vhost_virtqueue *vq,
 err_fetch:
 	vq->ndescs = 0;
 
-	return ret;
+	return ret ? ret : vq->num;
 }
 EXPORT_SYMBOL_GPL(vhost_get_vq_desc_batch);
 
-- 
MST