From de5ed99e9777a487da4ad9c58e409ed26b640d9e Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Sun, 4 Jun 2017 16:53:40 +0200 Subject: [PATCH] mlxsw: spectrum_router: Align RIF index allocation with existing code The way we usually allocate an index is by letting the allocation function return an error instead of an invalid index. Do the same for RIF index. Signed-off-by: Ido Schimmel Reviewed-by: Petr Machata Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- .../net/ethernet/mellanox/mlxsw/spectrum_router.c | 24 +++++++++++----------- 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index a4272c351e3a..20061058801e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -2979,16 +2979,18 @@ mlxsw_sp_dev_rif_type(const struct mlxsw_sp *mlxsw_sp, return mlxsw_sp_fid_type_rif_type(mlxsw_sp, type); } -#define MLXSW_SP_INVALID_INDEX_RIF 0xffff -static int mlxsw_sp_avail_rif_get(struct mlxsw_sp *mlxsw_sp) +static int mlxsw_sp_rif_index_alloc(struct mlxsw_sp *mlxsw_sp, u16 *p_rif_index) { int i; - for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) - if (!mlxsw_sp->router->rifs[i]) - return i; + for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS); i++) { + if (!mlxsw_sp->router->rifs[i]) { + *p_rif_index = i; + return 0; + } + } - return MLXSW_SP_INVALID_INDEX_RIF; + return -ENOBUFS; } static struct mlxsw_sp_rif *mlxsw_sp_rif_alloc(size_t rif_size, u16 rif_index, @@ -3048,11 +3050,9 @@ mlxsw_sp_rif_create(struct mlxsw_sp *mlxsw_sp, if (IS_ERR(vr)) return ERR_CAST(vr); - rif_index = mlxsw_sp_avail_rif_get(mlxsw_sp); - if (rif_index == MLXSW_SP_INVALID_INDEX_RIF) { - err = -ERANGE; - goto err_avail_rif_get; - } + err = mlxsw_sp_rif_index_alloc(mlxsw_sp, &rif_index); + if (err) + goto err_rif_index_alloc; rif = mlxsw_sp_rif_alloc(ops->rif_size, rif_index, vr->id, params->dev); if (!rif) { @@ -3095,7 +3095,7 @@ err_configure: err_fid_get: kfree(rif); err_rif_alloc: -err_avail_rif_get: +err_rif_index_alloc: mlxsw_sp_vr_put(vr); return ERR_PTR(err); } -- 2.11.0