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

Ocean He
2018-08-03T12:08:54Z

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>
---
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;
--
1.8.3.1