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path: root/drivers/dax/dax.c
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Diffstat (limited to 'drivers/dax/dax.c')
-rw-r--r--drivers/dax/dax.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c
index 03bb54f7f58f..e7d8a3902437 100644
--- a/drivers/dax/dax.c
+++ b/drivers/dax/dax.c
@@ -558,8 +558,8 @@ static void unregister_dax_dev(void *dev)
device_unregister(dev);
}
-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)
{
struct device *parent = dax_region->dev;
struct dax_dev *dax_dev;
@@ -570,7 +570,7 @@ int devm_create_dax_dev(struct dax_region *dax_region, struct resource *res,
dax_dev = kzalloc(sizeof(*dax_dev) + sizeof(*res) * count, GFP_KERNEL);
if (!dax_dev)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
for (i = 0; i < count; i++) {
if (!IS_ALIGNED(res[i].start, dax_region->align)
@@ -632,10 +632,14 @@ int devm_create_dax_dev(struct dax_region *dax_region, struct resource *res,
rc = device_add(dev);
if (rc) {
put_device(dev);
- return rc;
+ return ERR_PTR(rc);
}
- return devm_add_action_or_reset(dax_region->dev, unregister_dax_dev, dev);
+ rc = devm_add_action_or_reset(dax_region->dev, unregister_dax_dev, dev);
+ if (rc)
+ return ERR_PTR(rc);
+
+ return dax_dev;
err_cdev:
iput(dax_dev->inode);
@@ -646,7 +650,7 @@ int devm_create_dax_dev(struct dax_region *dax_region, struct resource *res,
err_id:
kfree(dax_dev);
- return rc;
+ return ERR_PTR(rc);
}
EXPORT_SYMBOL_GPL(devm_create_dax_dev);