diff options
| author | Pablo Neira Ayuso | 2019-07-09 22:55:48 +0200 |
|---|---|---|
| committer | David S. Miller | 2019-07-09 23:38:50 +0200 |
| commit | 0d4fd02e7199fbf57c0d175dd1890c82cd4a6f4f (patch) | |
| tree | c06ac553a77c2ae6bc7e36db665d77fce29f2e1c /drivers/net/ethernet/mellanox/mlx5/core | |
| parent | net: sched: remove tcf block API (diff) | |
| download | kernel-qcow2-linux-0d4fd02e7199fbf57c0d175dd1890c82cd4a6f4f.tar.gz kernel-qcow2-linux-0d4fd02e7199fbf57c0d175dd1890c82cd4a6f4f.tar.xz kernel-qcow2-linux-0d4fd02e7199fbf57c0d175dd1890c82cd4a6f4f.zip | |
net: flow_offload: add flow_block_cb_is_busy() and use it
This patch adds a function to check if flow block callback is already in
use. Call this new function from flow_block_cb_setup_simple() and from
drivers.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 7ca6b6472017..62cb5408424c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -722,6 +722,10 @@ mlx5e_rep_indr_setup_tc_block(struct net_device *netdev, if (indr_priv) return -EEXIST; + if (flow_block_cb_is_busy(mlx5e_rep_indr_setup_block_cb, + indr_priv, &mlx5e_block_cb_list)) + return -EBUSY; + indr_priv = kmalloc(sizeof(*indr_priv), GFP_KERNEL); if (!indr_priv) return -ENOMEM; |