diff options
Diffstat (limited to 'net/9p/trans_xen.c')
-rw-r--r-- | net/9p/trans_xen.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c index aaa5fd364691..9630b1275557 100644 --- a/net/9p/trans_xen.c +++ b/net/9p/trans_xen.c @@ -157,7 +157,7 @@ again: &masked_prod, masked_cons, XEN_9PFS_RING_SIZE(ring)); - p9_req->status = REQ_STATUS_SENT; + WRITE_ONCE(p9_req->status, REQ_STATUS_SENT); virt_wmb(); /* write ring before updating pointer */ prod += size; ring->intf->out_prod = prod; @@ -212,11 +212,13 @@ static void p9_xen_response(struct work_struct *work) dev_warn(&priv->dev->dev, "requested packet size too big: %d for tag %d with capacity %zd\n", h.size, h.tag, req->rc.capacity); - req->status = REQ_STATUS_ERROR; + WRITE_ONCE(req->status, REQ_STATUS_ERROR); goto recv_error; } - memcpy(&req->rc, &h, sizeof(h)); + req->rc.size = h.size; + req->rc.id = h.id; + req->rc.tag = h.tag; req->rc.offset = 0; masked_cons = xen_9pfs_mask(cons, XEN_9PFS_RING_SIZE(ring)); |