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devm_memremap: convert to return ERR_PTR

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Make devm_memremap consistent with the error return scheme of
devm_memremap_pages to remove special casing in the pmem driver.

Cc: Christoph Hellwig <[email protected]>
Cc: Ross Zwisler <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2015-09-15 02:42:20 -04:00
commit b36f47617f
2 changed files with 7 additions and 11 deletions
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2
kernel/memremap.c
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@ -116,7 +116,7 @@ void *devm_memremap(struct device *dev, resource_size_t offset,
ptr = devres_alloc(devm_memremap_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return NULL;
return ERR_PTR(-ENOMEM);
addr = memremap(offset, size, flags);
if (addr) {