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libnvdimm: release ida resources 

ida instances allocate some internal memory for ->free_bitmap in
addition to the base 'struct ida'.  Use ida_destroy() to release that
memory at module_exit().

Reported-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-05-17 20:24:16 -07:00
parent acc93d30d7
commit b354aba016
4 changed files with 15 additions and 0 deletions
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3
drivers/nvdimm/core.c
View File

@ -648,6 +648,9 @@ static __exit void libnvdimm_exit(void)
nd_region_exit();
nvdimm_exit();
nvdimm_bus_exit();
nd_region_devs_exit();
nvdimm_devs_exit();
ida_destroy(&nd_ida);
}
MODULE_LICENSE("GPL v2");

5
drivers/nvdimm/dimm_devs.c
View File

@ -546,3 +546,8 @@ int nvdimm_bus_check_dimm_count(struct nvdimm_bus *nvdimm_bus, int dimm_count)
return 0;
}
EXPORT_SYMBOL_GPL(nvdimm_bus_check_dimm_count);
void __exit nvdimm_devs_exit(void)
{
ida_destroy(&dimm_ida);
}

2
drivers/nvdimm/nd-core.h
View File

@ -49,6 +49,8 @@ bool is_nd_blk(struct device *dev);
struct nvdimm_bus *walk_to_nvdimm_bus(struct device *nd_dev);
int __init nvdimm_bus_init(void);
void nvdimm_bus_exit(void);
void nvdimm_devs_exit(void);
void nd_region_devs_exit(void);
void nd_region_probe_success(struct nvdimm_bus *nvdimm_bus, struct device *dev);
struct nd_region;
void nd_region_create_blk_seed(struct nd_region *nd_region);

5
drivers/nvdimm/region_devs.c
View File

@ -793,3 +793,8 @@ struct nd_region *nvdimm_volatile_region_create(struct nvdimm_bus *nvdimm_bus,
__func__);
}
EXPORT_SYMBOL_GPL(nvdimm_volatile_region_create);
void __exit nd_region_devs_exit(void)
{
ida_destroy(&region_ida);
}