[PATCH] net/9p: fix error path of p9_virtio_probe

[Jean-Philippe Brucker]

Currently when virtio_find_single_vq fails, we go through del_vqs which
throws a warning (Trying to free already-free IRQ). Skip del_vqs if vq
allocation failed.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.bruc...@arm.com>
---
 net/9p/trans_virtio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 4d0372263e5d..1c87eee522b7 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -562,7 +562,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
        chan->vq = virtio_find_single_vq(vdev, req_done, "requests");
        if (IS_ERR(chan->vq)) {
                err = PTR_ERR(chan->vq);
-               goto out_free_vq;
+               goto out_free_chan;
        }
        chan->vq->vdev->priv = chan;
        spin_lock_init(&chan->lock);
@@ -615,6 +615,7 @@ static int p9_virtio_probe(struct virtio_device *vdev)
        kfree(tag);
 out_free_vq:
        vdev->config->del_vqs(vdev);
+out_free_chan:
        kfree(chan);
 fail:
        return err;
-- 
2.17.0