diff options
Diffstat (limited to 'net/core/devmem.c')
| -rw-r--r-- | net/core/devmem.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/core/devmem.c b/net/core/devmem.c index 7c6e0b5b6acb..6802e82a4d03 100644 --- a/net/core/devmem.c +++ b/net/core/devmem.c @@ -25,7 +25,6 @@ /* Device memory support */ -/* Protected by rtnl_lock() */ static DEFINE_XARRAY_FLAGS(net_devmem_dmabuf_bindings, XA_FLAGS_ALLOC1); static const struct memory_provider_ops dmabuf_devmem_ops; @@ -118,6 +117,7 @@ void net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding) struct netdev_rx_queue *rxq; unsigned long xa_idx; unsigned int rxq_idx; + int err; if (binding->list.next) list_del(&binding->list); @@ -128,9 +128,12 @@ void net_devmem_unbind_dmabuf(struct net_devmem_dmabuf_binding *binding) rxq->mp_params.mp_priv = NULL; rxq->mp_params.mp_ops = NULL; + netdev_lock(binding->dev); rxq_idx = get_netdev_rx_queue_index(rxq); - WARN_ON(netdev_rx_queue_restart(binding->dev, rxq_idx)); + err = netdev_rx_queue_restart(binding->dev, rxq_idx); + WARN_ON(err && err != -ENETDOWN); + netdev_unlock(binding->dev); } xa_erase(&net_devmem_dmabuf_bindings, binding->id); |