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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>
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1 changed files with 8 additions and 1 deletions
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@ -1015,6 +1015,13 @@ static const struct attribute_group *dci_attr_groups[] = {
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NULL,
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};
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static void release_dci(struct device *dev)
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{
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struct most_dci_obj *dci = to_dci_obj(dev);
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kfree(dci);
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}
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/**
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* hdm_probe - probe function of USB device driver
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* @interface: Interface of the attached USB device
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@ -1146,6 +1153,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
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mdev->dci->dev.init_name = "dci";
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mdev->dci->dev.parent = &mdev->iface.dev;
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mdev->dci->dev.groups = dci_attr_groups;
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mdev->dci->dev.release = release_dci;
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if (device_register(&mdev->dci->dev)) {
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mutex_unlock(&mdev->io_mutex);
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most_deregister_interface(&mdev->iface);
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@ -1198,7 +1206,6 @@ static void hdm_disconnect(struct usb_interface *interface)
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cancel_work_sync(&mdev->poll_work_obj);
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device_unregister(&mdev->dci->dev);
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kfree(mdev->dci);
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most_deregister_interface(&mdev->iface);
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kfree(mdev->busy_urbs);
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