diff options
| author | Jiri Pirko <jiri@nvidia.com> | 2022-07-21 17:24:24 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-23 00:41:24 +0300 |
| commit | 1b5995e370e4024e7bb7408247363e8e67f0393d (patch) | |
| tree | c35efec4eb686bafb520a5080f850ca274692c27 /drivers | |
| parent | 949d6b405e6160ae44baea39192d67b39cb7eeac (diff) | |
| download | linux-1b5995e370e4024e7bb7408247363e8e67f0393d.tar.xz | |
mlxsw: core: Fix use-after-free calling devl_unlock() in mlxsw_core_bus_device_unregister()
Do devl_unlock() before freeing the devlink in
mlxsw_core_bus_device_unregister() function.
Reported-by: Ido Schimmel <idosch@nvidia.com>
Fixes: 72a4c8c94efa ("mlxsw: convert driver to use unlocked devlink API during init/fini")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220721142424.3975704-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 61eb96b93889..1b61bc8f59a2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -2296,8 +2296,8 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, devl_resources_unregister(devlink); mlxsw_core->bus->fini(mlxsw_core->bus_priv); if (!reload) { - devlink_free(devlink); devl_unlock(devlink); + devlink_free(devlink); } return; @@ -2305,8 +2305,8 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, reload_fail_deinit: mlxsw_core_params_unregister(mlxsw_core); devl_resources_unregister(devlink); - devlink_free(devlink); devl_unlock(devlink); + devlink_free(devlink); } EXPORT_SYMBOL(mlxsw_core_bus_device_unregister); |