diff options
| author | Eli Britstein <elibr@mellanox.com> | 2019-01-31 15:56:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 16:50:31 +0300 |
| commit | d6e970b198c9f37819d4cf2f1c4a53b8c47a4ad9 (patch) | |
| tree | eef28746aab0fb3153c3cfd6e6c9f60d7ea5dee8 /drivers/net/ethernet/mellanox | |
| parent | a663874605954bb50b940e6c315774c9da01b4e7 (diff) | |
| download | linux-d6e970b198c9f37819d4cf2f1c4a53b8c47a4ad9.tar.xz | |
net/mlx5: Fix multiple updates of steering rules in parallel
[ Upstream commit 6237634d8fcc65c9e3348382910e7cdb15084c68 ]
There might be a condition where the fte found is not active yet. In
this case we should not use it, but continue to search for another, or
allocate a new one.
Fixes: bd71b08ec2ee ("net/mlx5: Support multiple updates of steering rules in parallel")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 82a53317285d..b16e0f45d28c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -469,6 +469,7 @@ static void del_hw_fte(struct fs_node *node) mlx5_core_warn(dev, "flow steering can't delete fte in index %d of flow group id %d\n", fte->index, fg->id); + node->active = 0; } } @@ -1597,6 +1598,11 @@ lookup_fte_locked(struct mlx5_flow_group *g, fte_tmp = NULL; goto out; } + if (!fte_tmp->node.active) { + tree_put_node(&fte_tmp->node); + fte_tmp = NULL; + goto out; + } nested_down_write_ref_node(&fte_tmp->node, FS_LOCK_CHILD); out: |