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dax: convert devm_create_dax_dev to PTR_ERR

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For sub-division support we need access to the dax_dev created by
devm_create_dax_dev().

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2016-07-19 17:51:40 -07:00
parent 9d2d01a031
commit d76911ee93
3 changed files with 16 additions and 10 deletions
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5
drivers/dax/dax.h
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@@ -13,12 +13,13 @@
#ifndef __DAX_H__
#define __DAX_H__
struct device;
struct dax_dev;
struct resource;
struct dax_region;
void dax_region_put(struct dax_region *dax_region);
struct dax_region *alloc_dax_region(struct device *parent,
int region_id, struct resource *res, unsigned int align,
void *addr, unsigned long flags);
int devm_create_dax_dev(struct dax_region *dax_region, struct resource *res,
int count);
struct dax_dev *devm_create_dax_dev(struct dax_region *dax_region,
struct resource *res, int count);
#endif /* __DAX_H__ */