net/mlx5: Fix NULL pointer dereference in extended destination

The cited commit refactored the encap id into a struct pointed from the
destination.
Bug fix for the case there is no encap for one of the destinations.

Fixes: 2b688ea5efde ("net/mlx5: Add flow steering actions to fs_cmd shim layer")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 579c306..3c816e8 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -507,7 +507,8 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
                                MLX5_SET(dest_format_struct, in_dests,
                                         destination_eswitch_owner_vhca_id,
                                         dst->dest_attr.vport.vhca_id);
-                               if (extended_dest) {
+                               if (extended_dest &&
+                                   dst->dest_attr.vport.pkt_reformat) {
                                        MLX5_SET(dest_format_struct, in_dests,
                                                 packet_reformat,
                                                 !!(dst->dest_attr.vport.flags &