Re: [PATCH] libnvdimm, bus: check id immediately following ida_simple_get

Dave Jiang
2018-08-07T22:46:13Z

On 08/03/2018 05:08 AM, Ocean He wrote:
> From: Ocean He <hehy1@lenovo.com>
>
> The id check was not executed immediately following ida_simple_get. Just
> change the codes position, without function change.
>
> Signed-off-by: Ocean He <hehy1@lenovo.com>

Applied.

> ---
> drivers/nvdimm/bus.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
> index 27902a8..ab28e7c 100644
> --- a/drivers/nvdimm/bus.c
> +++ b/drivers/nvdimm/bus.c
> @@ -350,12 +350,12 @@ struct nvdimm_bus *nvdimm_bus_register(struct device *parent,
> INIT_LIST_HEAD(&nvdimm_bus->mapping_list);
> init_waitqueue_head(&nvdimm_bus->probe_wait);
> nvdimm_bus->id = ida_simple_get(&nd_ida, 0, 0, GFP_KERNEL);
> - mutex_init(&nvdimm_bus->reconfig_mutex);
> - badrange_init(&nvdimm_bus->badrange);
> if (nvdimm_bus->id < 0) {
> kfree(nvdimm_bus);
> return NULL;
> }
> + mutex_init(&nvdimm_bus->reconfig_mutex);
> + badrange_init(&nvdimm_bus->badrange);
> nvdimm_bus->nd_desc = nd_desc;
> nvdimm_bus->dev.parent = parent;
> nvdimm_bus->dev.release = nvdimm_bus_release;
>