1 files changed, 2 insertions, 3 deletions

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 9bf0b737aa51..b2e07f0dd298 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -43,6 +43,7 @@
 #include <net/9p/transport.h>
 #include <linux/scatterlist.h>
 #include <linux/virtio.h>
+#include <linux/virtio_ids.h>
 #include <linux/virtio_9p.h>
 
 #define VIRTQUEUE_NUM   128
@@ -200,7 +201,7 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 
         req->status = REQ_STATUS_SENT;
 
-        if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc)) {
+        if (chan->vq->vq_ops->add_buf(chan->vq, chan->sg, out, in, req->tc) < 0) {
                 P9_DPRINTK(P9_DEBUG_TRANS,
                         "9p debug: virtio rpc add_buf returned failure");
                 return -EIO;
@@ -334,8 +335,6 @@ static void p9_virtio_remove(struct virtio_device *vdev)
         }
 }
 
-#define VIRTIO_ID_9P 9
-
 static struct virtio_device_id id_table[] = {
         { VIRTIO_ID_9P, VIRTIO_DEV_ANY_ID },
         { 0 },