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author | Eli Britstein <elibr@mellanox.com> | 2019-01-31 14:56:01 +0200 |
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committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-03-11 11:32:38 -0700 |
commit | 6237634d8fcc65c9e3348382910e7cdb15084c68 (patch) | |
tree | c069bfb125e1f2b1ad4948a33514bebfb9bf3a92 /drivers/net | |
parent | a843dc4ebaecd15fca1f4d35a97210f72ea1473b (diff) | |
download | linux-stable-6237634d8fcc65c9e3348382910e7cdb15084c68.tar.gz linux-stable-6237634d8fcc65c9e3348382910e7cdb15084c68.tar.bz2 linux-stable-6237634d8fcc65c9e3348382910e7cdb15084c68.zip |
net/mlx5: Fix multiple updates of steering rules in parallel
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>
Diffstat (limited to 'drivers/net')
-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 f2cfa012315e..86f986308a90 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -491,6 +491,7 @@ 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; } } @@ -1601,6 +1602,11 @@ 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: |