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linux-sg2042
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staging: most: usb: add release function for DCI device 

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@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2018-09-28 23:37:19 +02:00 committed by Greg Kroah-Hartman
parent 7a7e50b36d
commit 869d3acd48
1 changed files with 8 additions and 1 deletions
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9
drivers/staging/most/usb/usb.c
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@ -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);