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-rw-r--r--drivers/dax/bus.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 46e46047a1f7..df238c8b6ef2 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -421,8 +421,10 @@ struct dev_dax *__devm_create_dev_dax(struct dax_region *dax_region, int id,
* device outside of mmap of the resulting character device.
*/
dax_dev = alloc_dax(dev_dax, NULL, NULL, DAXDEV_F_SYNC);
- if (!dax_dev)
+ if (IS_ERR(dax_dev)) {
+ rc = PTR_ERR(dax_dev);
goto err;
+ }
/* a device_dax instance is dead while the driver is not attached */
kill_dax(dax_dev);