diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 646a57eaf093593ed4afd2a105e132ab375c31ba..8824040a482ebfe0cabcddbd1c7089a6fb961850 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -1441,8 +1441,10 @@ int ib_register_device(struct ib_device *device, const char *name,
 		return ret;
 	}
 	dev_set_uevent_suppress(&device->dev, false);
+	down_read(&devices_rwsem);
 	/* Mark for userspace that device is ready */
 	kobject_uevent(&device->dev.kobj, KOBJ_ADD);
+	up_read(&devices_rwsem);
 	ib_device_put(device);
 
 	return 0;