net/mlx5: fs, an FTE should have no dests when deleted

When deleting an FTE it should have no dests, which means
fte->dests_size should be 0. Add a WARN_ON() to catch bugs
where the proper tracking wasn't done.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index d512445c7627869953d1a77d3a24b1dd4d25ed41..fb817567247805cceb8c9131affb37be6018b3df 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -605,6 +605,7 @@ static void del_hw_fte(struct fs_node *node)
        fs_get_obj(ft, fg->node.parent);
 
        trace_mlx5_fs_del_fte(fte);
+       WARN_ON(fte->dests_size);
        dev = get_dev(&ft->node);
        root = find_root(&ft->node);
        if (node->active) {