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SubjectRe: [PATCH 01/11] HID: hid-input factorize hid_input allocation
On Fri, 23 Nov 2012, Benjamin Tissoires wrote:

> This just refactors the allocation of hid_input.
> No semantic changes.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>

Fine by me, thanks.

> ---
> drivers/hid/hid-input.c | 61 +++++++++++++++++++++++++++----------------------
> 1 file changed, 34 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> index 7015080..47f98a3 100644
> --- a/drivers/hid/hid-input.c
> +++ b/drivers/hid/hid-input.c
> @@ -1163,6 +1163,38 @@ static void report_features(struct hid_device *hid)
> }
> }
>
> +static struct hid_input *hidinput_allocate(struct hid_device *hid)
> +{
> + struct hid_input *hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
> + struct input_dev *input_dev = input_allocate_device();
> + if (!hidinput || !input_dev) {
> + kfree(hidinput);
> + input_free_device(input_dev);
> + hid_err(hid, "Out of memory during hid input probe\n");
> + return NULL;
> + }
> +
> + input_set_drvdata(input_dev, hid);
> + input_dev->event = hid->ll_driver->hidinput_input_event;
> + input_dev->open = hidinput_open;
> + input_dev->close = hidinput_close;
> + input_dev->setkeycode = hidinput_setkeycode;
> + input_dev->getkeycode = hidinput_getkeycode;
> +
> + input_dev->name = hid->name;
> + input_dev->phys = hid->phys;
> + input_dev->uniq = hid->uniq;
> + input_dev->id.bustype = hid->bus;
> + input_dev->id.vendor = hid->vendor;
> + input_dev->id.product = hid->product;
> + input_dev->id.version = hid->version;
> + input_dev->dev.parent = hid->dev.parent;
> + hidinput->input = input_dev;
> + list_add_tail(&hidinput->list, &hid->inputs);
> +
> + return hidinput;
> +}
> +
> /*
> * Register the input device; print a message.
> * Configure the input layer interface
> @@ -1174,7 +1206,6 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
> struct hid_driver *drv = hid->driver;
> struct hid_report *report;
> struct hid_input *hidinput = NULL;
> - struct input_dev *input_dev;
> int i, j, k;
>
> INIT_LIST_HEAD(&hid->inputs);
> @@ -1205,33 +1236,9 @@ int hidinput_connect(struct hid_device *hid, unsigned int force)
> continue;
>
> if (!hidinput) {
> - hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
> - input_dev = input_allocate_device();
> - if (!hidinput || !input_dev) {
> - kfree(hidinput);
> - input_free_device(input_dev);
> - hid_err(hid, "Out of memory during hid input probe\n");
> + hidinput = hidinput_allocate(hid);
> + if (!hidinput)
> goto out_unwind;
> - }
> -
> - input_set_drvdata(input_dev, hid);
> - input_dev->event =
> - hid->ll_driver->hidinput_input_event;
> - input_dev->open = hidinput_open;
> - input_dev->close = hidinput_close;
> - input_dev->setkeycode = hidinput_setkeycode;
> - input_dev->getkeycode = hidinput_getkeycode;
> -
> - input_dev->name = hid->name;
> - input_dev->phys = hid->phys;
> - input_dev->uniq = hid->uniq;
> - input_dev->id.bustype = hid->bus;
> - input_dev->id.vendor = hid->vendor;
> - input_dev->id.product = hid->product;
> - input_dev->id.version = hid->version;
> - input_dev->dev.parent = hid->dev.parent;
> - hidinput->input = input_dev;
> - list_add_tail(&hidinput->list, &hid->inputs);
> }
>
> for (i = 0; i < report->maxfield; i++)
> --
> 1.8.0
>

--
Jiri Kosina
SUSE Labs


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