[PATCH 4.16 50/55] mlxsw: core: Fix an error handling path in mlxsw_core_bus_device_register()

Greg Kroah-Hartman
2018-05-18T08:15:46Z

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 8ccc113172e4c1ebef45c2433f3c32ed6ae1b9c9 ]

Resources are not freed in the reverse order of the allocation.
Labels are also mixed-up.

Fix it and reorder code and labels in the error handling path of
'mlxsw_core_bus_device_register()'

Fixes: ef3116e5403e ("mlxsw: spectrum: Register KVD resources with devlink")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/mellanox/mlxsw/core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -1099,11 +1099,11 @@ err_emad_init:
err_alloc_lag_mapping:
mlxsw_ports_fini(mlxsw_core);
err_ports_init:
- mlxsw_bus->fini(bus_priv);
-err_bus_init:
if (!reload)
devlink_resources_unregister(devlink, NULL);
err_register_resources:
+ mlxsw_bus->fini(bus_priv);
+err_bus_init:
if (!reload)
devlink_free(devlink);