[PATCH] staging: most: usb: add release function for DCI device
Christian Gromm
christian.gromm at microchip.com
Fri Sep 28 21:37:19 UTC 2018
This patch adds the missing release function for the DCI device that frees
the container structure it is embedded in.
Signed-off-by: Christian Gromm <christian.gromm at microchip.com>
---
drivers/staging/most/usb/usb.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index 7869e84..c0293d8 100644
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -1015,6 +1015,13 @@ static const struct attribute_group *dci_attr_groups[] = {
NULL,
};
+static void release_dci(struct device *dev)
+{
+ struct most_dci_obj *dci = to_dci_obj(dev);
+
+ kfree(dci);
+}
+
/**
* hdm_probe - probe function of USB device driver
* @interface: Interface of the attached USB device
@@ -1146,6 +1153,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
mdev->dci->dev.init_name = "dci";
mdev->dci->dev.parent = &mdev->iface.dev;
mdev->dci->dev.groups = dci_attr_groups;
+ mdev->dci->dev.release = release_dci;
if (device_register(&mdev->dci->dev)) {
mutex_unlock(&mdev->io_mutex);
most_deregister_interface(&mdev->iface);
@@ -1198,7 +1206,6 @@ static void hdm_disconnect(struct usb_interface *interface)
cancel_work_sync(&mdev->poll_work_obj);
device_unregister(&mdev->dci->dev);
- kfree(mdev->dci);
most_deregister_interface(&mdev->iface);
kfree(mdev->busy_urbs);
--
2.7.4
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