devm_memremap: convert to return ERR_PTR
Make devm_memremap consistent with the error return scheme of
devm_memremap_pages to remove special casing in the pmem driver.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 0680aff..9805d31 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -150,19 +150,15 @@
return ERR_PTR(-EBUSY);
}
- if (pmem_should_map_pages(dev)) {
- void *addr = devm_memremap_pages(dev, res);
-
- if (IS_ERR(addr))
- return addr;
- pmem->virt_addr = (void __pmem *) addr;
- } else {
+ if (pmem_should_map_pages(dev))
+ pmem->virt_addr = (void __pmem *) devm_memremap_pages(dev, res);
+ else
pmem->virt_addr = (void __pmem *) devm_memremap(dev,
pmem->phys_addr, pmem->size,
ARCH_MEMREMAP_PMEM);
- if (!pmem->virt_addr)
- return ERR_PTR(-ENXIO);
- }
+
+ if (IS_ERR(pmem->virt_addr))
+ return (void __force *) pmem->virt_addr;
return pmem;
}
