Message ID | YtpEiJz26qVoZG8s@kili (mailing list archive) |
---|---|
State | Not Applicable |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | [net-next] mlxsw: fix devlink use after frees | expand |
On Fri, Jul 22, 2022 at 09:32:40AM +0300, Dan Carpenter wrote: > Unlock "devlink" before freeing it instead of after. > > Fixes: 72a4c8c94efa ("mlxsw: convert driver to use unlocked devlink API during init/fini") > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Thanks for the patch, but a fix was already posted yesterday: https://patchwork.kernel.org/project/netdevbpf/patch/20220721142424.3975704-1-jiri@resnulli.us/
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);
Unlock "devlink" before freeing it instead of after. Fixes: 72a4c8c94efa ("mlxsw: convert driver to use unlocked devlink API during init/fini") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> --- drivers/net/ethernet/mellanox/mlxsw/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)