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-rw-r--r--drivers/char/virtio_console.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 8ab9c3d4bf1..89bdc31a3dc 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -396,6 +396,8 @@ static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf)
ret = virtqueue_add_buf(vq, sg, 0, 1, buf, GFP_ATOMIC);
virtqueue_kick(vq);
+ if (!ret)
+ ret = vq->num_free;
return ret;
}