HID: hid-input: factorize hid_input allocation
This just refactors the allocation of hid_input. No semantic changes. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com> Reviewed-by: Henrik Rydberg <rydberg@euromail.se> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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13f1962402
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ae751fa82d
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@ -1154,6 +1154,38 @@ static void report_features(struct hid_device *hid)
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}
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}
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static struct hid_input *hidinput_allocate(struct hid_device *hid)
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{
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struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
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struct input_dev *input_dev = input_allocate_device();
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if (!hidinput || !input_dev) {
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kfree(hidinput);
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input_free_device(input_dev);
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hid_err(hid, "Out of memory during hid input probe\n");
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return NULL;
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}
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input_set_drvdata(input_dev, hid);
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input_dev->event = hid->ll_driver->hidinput_input_event;
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input_dev->open = hidinput_open;
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input_dev->close = hidinput_close;
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input_dev->setkeycode = hidinput_setkeycode;
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input_dev->getkeycode = hidinput_getkeycode;
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input_dev->name = hid->name;
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input_dev->phys = hid->phys;
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input_dev->uniq = hid->uniq;
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input_dev->id.bustype = hid->bus;
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input_dev->id.vendor = hid->vendor;
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input_dev->id.product = hid->product;
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input_dev->id.version = hid->version;
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input_dev->dev.parent = hid->dev.parent;
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hidinput->input = input_dev;
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list_add_tail(&hidinput->list, &hid->inputs);
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return hidinput;
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}
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/*
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* Register the input device; print a message.
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* Configure the input layer interface
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@ -1165,7 +1197,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
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struct hid_driver *drv = hid->driver;
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struct hid_report *report;
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struct hid_input *hidinput = NULL;
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struct input_dev *input_dev;
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int i, j, k;
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INIT_LIST_HEAD(&hid->inputs);
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@ -1196,33 +1227,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
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continue;
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if (!hidinput) {
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hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
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input_dev = input_allocate_device();
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if (!hidinput || !input_dev) {
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kfree(hidinput);
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input_free_device(input_dev);
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hid_err(hid, "Out of memory during hid input probe\n");
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hidinput = hidinput_allocate(hid);
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if (!hidinput)
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goto out_unwind;
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}
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input_set_drvdata(input_dev, hid);
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input_dev->event =
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hid->ll_driver->hidinput_input_event;
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input_dev->open = hidinput_open;
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input_dev->close = hidinput_close;
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input_dev->setkeycode = hidinput_setkeycode;
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input_dev->getkeycode = hidinput_getkeycode;
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input_dev->name = hid->name;
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input_dev->phys = hid->phys;
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input_dev->uniq = hid->uniq;
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input_dev->id.bustype = hid->bus;
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input_dev->id.vendor = hid->vendor;
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input_dev->id.product = hid->product;
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input_dev->id.version = hid->version;
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input_dev->dev.parent = hid->dev.parent;
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hidinput->input = input_dev;
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list_add_tail(&hidinput->list, &hid->inputs);
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}
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for (i = 0; i < report->maxfield; i++)
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