From: Jiri Pirko <jiri@mellanox.com>
Date: Sun, 8 Jul 2018 10:00:21 +0300
Subject: mlxsw: core_acl_flex_actions: Fix helper to get the first KVD linear
 index
Patch-mainline: v4.19-rc1
Git-commit: 0317a6f4eb42a7a8cc9c920183d340312d2e8c87
References: bsc#1112374

The helper should return always KVD linear index of the second set.
It is unused now, but going to be used soon.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c |   11 ++++++++---
 drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h |    2 +-
 2 files changed, 9 insertions(+), 4 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
@@ -434,11 +434,16 @@ char *mlxsw_afa_block_first_set(struct m
 }
 EXPORT_SYMBOL(mlxsw_afa_block_first_set);
 
-u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block)
+u32 mlxsw_afa_block_first_kvdl_index(struct mlxsw_afa_block *block)
 {
-	return block->first_set->kvdl_index;
+	/* First set is never in KVD linear. So the first set
+	 * with valid KVD linear index is always the second one.
+	 */
+	if (WARN_ON(!block->first_set->next))
+		return 0;
+	return block->first_set->next->kvdl_index;
 }
-EXPORT_SYMBOL(mlxsw_afa_block_first_set_kvdl_index);
+EXPORT_SYMBOL(mlxsw_afa_block_first_kvdl_index);
 
 int mlxsw_afa_block_continue(struct mlxsw_afa_block *block)
 {
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.h
@@ -65,7 +65,7 @@ struct mlxsw_afa_block *mlxsw_afa_block_
 void mlxsw_afa_block_destroy(struct mlxsw_afa_block *block);
 int mlxsw_afa_block_commit(struct mlxsw_afa_block *block);
 char *mlxsw_afa_block_first_set(struct mlxsw_afa_block *block);
-u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block);
+u32 mlxsw_afa_block_first_kvdl_index(struct mlxsw_afa_block *block);
 int mlxsw_afa_block_continue(struct mlxsw_afa_block *block);
 int mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id);
 int mlxsw_afa_block_terminate(struct mlxsw_afa_block *block);