diff options
Diffstat (limited to 'net/core/netdev-genl.c')
| -rw-r--r-- | net/core/netdev-genl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index 93ea57d96931..cfcf1654d4fb 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -1013,6 +1013,13 @@ int netdev_nl_bind_tx_doit(struct sk_buff *skb, struct genl_info *info) goto err_unlock_netdev; } + if (!netdev->netmem_tx) { + err = -EOPNOTSUPP; + NL_SET_ERR_MSG(info->extack, + "Driver does not support netmem TX"); + goto err_unlock_netdev; + } + binding = net_devmem_bind_dmabuf(netdev, DMA_TO_DEVICE, dmabuf_fd, info->extack); if (IS_ERR(binding)) { |