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| author | Dan Williams <dan.j.williams@intel.com> | 2016-07-20 02:51:40 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-10-08 01:45:59 +0200 |
| commit | d76911ee933a64c9dfc453e580e7ad612b394e83 (patch) | |
| tree | dad6ced4a5968e946e2bec11b9e76b4518f199d9 /drivers/dax/pmem.c | |
| parent | dax: check resource alignment at dax region/device create (diff) | |
| download | linux-d76911ee933a64c9dfc453e580e7ad612b394e83.tar.xz linux-d76911ee933a64c9dfc453e580e7ad612b394e83.zip | |
dax: convert devm_create_dax_dev to PTR_ERR
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>
Diffstat (limited to 'drivers/dax/pmem.c')
| -rw-r--r-- | drivers/dax/pmem.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c index 59b75c5972bb..c24d32ec9ce6 100644 --- a/drivers/dax/pmem.c +++ b/drivers/dax/pmem.c @@ -61,6 +61,7 @@ static int dax_pmem_probe(struct device *dev) int rc; void *addr; struct resource res; + struct dax_dev *dax_dev; struct nd_pfn_sb *pfn_sb; struct dax_pmem *dax_pmem; struct nd_region *nd_region; @@ -123,12 +124,12 @@ static int dax_pmem_probe(struct device *dev) return -ENOMEM; /* TODO: support for subdividing a dax region... */ - rc = devm_create_dax_dev(dax_region, &res, 1); + dax_dev = devm_create_dax_dev(dax_region, &res, 1); /* child dax_dev instances now own the lifetime of the dax_region */ dax_region_put(dax_region); - return rc; + return PTR_ERR_OR_ZERO(dax_dev); } static struct nd_device_driver dax_pmem_driver = { |