diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c index 500c71fb6f6d..d9c69123c1ab 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/hw_table.c @@ -73,26 +73,29 @@ static int mlx5_sf_hw_table_id_alloc(struct mlx5_sf_hw_table *table, u32 control u32 usr_sfnum) { struct mlx5_sf_hwc_table *hwc; + int free_idx = -1; int i; hwc = mlx5_sf_controller_to_hwc(table->dev, controller); if (!hwc->sfs) return -ENOSPC; - /* Check if sf with same sfnum already exists or not. */ for (i = 0; i < hwc->max_fn; i++) { + if (!hwc->sfs[i].allocated && free_idx == -1) { + free_idx = i; + continue; + } + if (hwc->sfs[i].allocated && hwc->sfs[i].usr_sfnum == usr_sfnum) return -EEXIST; } - /* Find the free entry and allocate the entry from the array */ - for (i = 0; i < hwc->max_fn; i++) { - if (!hwc->sfs[i].allocated) { - hwc->sfs[i].usr_sfnum = usr_sfnum; - hwc->sfs[i].allocated = true; - return i; - } - } - return -ENOSPC; + + if (free_idx == -1) + return -ENOSPC; + + hwc->sfs[free_idx].usr_sfnum = usr_sfnum; + hwc->sfs[free_idx].allocated = true; + return free_idx; } static void mlx5_sf_hw_table_id_free(struct mlx5_sf_hw_table *table, u32 controller, int id) |