[PATCH] nvdimm: Call ida_simple_remove() when failed

[Bo Liu]

In function nvdimm_bus_register(), when code execution fails, we should
call ida_simple_remove() to free ida.

Signed-off-by: Bo Liu <liub...@inspur.com>
---
 drivers/nvdimm/bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index b38d0355b0ac..3415dc62632b 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -371,6 +371,7 @@ struct nvdimm_bus *nvdimm_bus_register(struct device 
*parent,
        return nvdimm_bus;
  err:
        put_device(&nvdimm_bus->dev);
+       ida_simple_remove(&nd_ida, nvdimm_bus->id);
        return NULL;
 }
 EXPORT_SYMBOL_GPL(nvdimm_bus_register);
-- 
2.27.0