lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <CANq1E4RsBpRiR_CaR7w6-jFZU99cBp1ob79ti9_uL8NKt_R7sA@mail.gmail.com>
Date:	Mon, 3 Feb 2014 17:14:48 +0100
From:	David Herrmann <dh.herrmann@...il.com>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Frank Praznik <frank.praznik@...rr.com>,
	"open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/11] HID: introduce helper to access hid_output_raw_report()

Hi

On Sun, Feb 2, 2014 at 5:50 AM, Benjamin Tissoires
<benjamin.tissoires@...hat.com> wrote:
> Add a helper to access hdev->hid_output_raw_report().
>
> To convert the drivers, use the following snippets:
>
> for i in drivers/hid/*.c
> do
>   sed -i.bak "s/[^ \t]*->hid_output_raw_report(/hid_output_raw_report(/g" $i
> done
>
> Then manually fix for checkpatch.pl

Looks all good. I guess you didn't use the hid_hw_* prefix as it's not
a hdrv but hdev callback? But we hopefully can remove this soon,
anyway. So:

Reviewed-by: David Herrmann <dh.herrmann@...il.com>

Thanks
David

>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
> ---
>  drivers/hid/hid-input.c        |  2 +-
>  drivers/hid/hid-lg.c           |  6 ++++--
>  drivers/hid/hid-logitech-dj.c  |  2 +-
>  drivers/hid/hid-magicmouse.c   |  2 +-
>  drivers/hid/hid-sony.c         |  5 +++--
>  drivers/hid/hid-thingm.c       |  4 ++--
>  drivers/hid/hid-wacom.c        | 16 +++++++---------
>  drivers/hid/hid-wiimote-core.c |  2 +-
>  drivers/hid/hidraw.c           |  2 +-
>  include/linux/hid.h            | 16 ++++++++++++++++
>  10 files changed, 37 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
> index 1de5997..78293c3 100644
> --- a/drivers/hid/hid-input.c
> +++ b/drivers/hid/hid-input.c
> @@ -1184,7 +1184,7 @@ static void hidinput_led_worker(struct work_struct *work)
>
>         hid_output_report(report, buf);
>         /* synchronous output report */
> -       hid->hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT);
> +       hid_output_raw_report(hid, buf, len, HID_OUTPUT_REPORT);
>         kfree(buf);
>  }
>
> diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
> index 9fe9d4a..76ed7e5 100644
> --- a/drivers/hid/hid-lg.c
> +++ b/drivers/hid/hid-lg.c
> @@ -692,7 +692,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
>         if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
>                 unsigned char buf[] = { 0x00, 0xAF,  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
>
> -               ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
> +               ret = hid_output_raw_report(hdev, buf, sizeof(buf),
> +                                           HID_FEATURE_REPORT);
>
>                 if (ret >= 0) {
>                         /* insert a little delay of 10 jiffies ~ 40ms */
> @@ -704,7 +705,8 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
>                         buf[1] = 0xB2;
>                         get_random_bytes(&buf[2], 2);
>
> -                       ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
> +                       ret = hid_output_raw_report(hdev, buf, sizeof(buf),
> +                                                   HID_FEATURE_REPORT);
>                 }
>         }
>
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
> index 61d2bbf..9347625 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -567,7 +567,7 @@ static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf,
>         out_buf[1] = djdev->device_index;
>         memcpy(out_buf + 2, buf, count);
>
> -       ret = djrcv_dev->hdev->hid_output_raw_report(djrcv_dev->hdev, out_buf,
> +       ret = hid_output_raw_report(djrcv_dev->hdev, out_buf,
>                 DJREPORT_SHORT_LENGTH, report_type);
>
>         kfree(out_buf);
> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> index 3b43d1c..cb5db3a 100644
> --- a/drivers/hid/hid-magicmouse.c
> +++ b/drivers/hid/hid-magicmouse.c
> @@ -538,7 +538,7 @@ static int magicmouse_probe(struct hid_device *hdev,
>          * but there seems to be no other way of switching the mode.
>          * Thus the super-ugly hacky success check below.
>          */
> -       ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature),
> +       ret = hid_output_raw_report(hdev, feature, sizeof(feature),
>                         HID_FEATURE_REPORT);
>         if (ret != -EIO && ret != sizeof(feature)) {
>                 hid_err(hdev, "unable to request touch data (%d)\n", ret);
> diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
> index 3930acb..8494b8c 100644
> --- a/drivers/hid/hid-sony.c
> +++ b/drivers/hid/hid-sony.c
> @@ -720,7 +720,8 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
>  static int sixaxis_set_operational_bt(struct hid_device *hdev)
>  {
>         unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
> -       return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
> +       return hid_output_raw_report(hdev, buf, sizeof(buf),
> +                                    HID_FEATURE_REPORT);
>  }
>
>  static void buzz_set_leds(struct hid_device *hdev, const __u8 *leds)
> @@ -942,7 +943,7 @@ static void sixaxis_state_worker(struct work_struct *work)
>         buf[10] |= sc->led_state[2] << 3;
>         buf[10] |= sc->led_state[3] << 4;
>
> -       sc->hdev->hid_output_raw_report(sc->hdev, buf, sizeof(buf),
> +       hid_output_raw_report(sc->hdev, buf, sizeof(buf),
>                                         HID_OUTPUT_REPORT);
>  }
>
> diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c
> index 99342cf..7dd3197 100644
> --- a/drivers/hid/hid-thingm.c
> +++ b/drivers/hid/hid-thingm.c
> @@ -48,8 +48,8 @@ static int blink1_send_command(struct blink1_data *data,
>                         buf[0], buf[1], buf[2], buf[3], buf[4],
>                         buf[5], buf[6], buf[7], buf[8]);
>
> -       ret = data->hdev->hid_output_raw_report(data->hdev, buf,
> -                       BLINK1_CMD_SIZE, HID_FEATURE_REPORT);
> +       ret = hid_output_raw_report(data->hdev, buf, BLINK1_CMD_SIZE,
> +                                   HID_FEATURE_REPORT);
>
>         return ret < 0 ? ret : 0;
>  }
> diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
> index 60c75dc..c720db9 100644
> --- a/drivers/hid/hid-wacom.c
> +++ b/drivers/hid/hid-wacom.c
> @@ -128,8 +128,7 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
>
>         rep_data[0] = WAC_CMD_ICON_START_STOP;
>         rep_data[1] = 0;
> -       ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
> -                               HID_FEATURE_REPORT);
> +       ret = hid_output_raw_report(hdev, rep_data, 2, HID_FEATURE_REPORT);
>         if (ret < 0)
>                 goto err;
>
> @@ -143,15 +142,14 @@ static void wacom_set_image(struct hid_device *hdev, const char *image,
>                         rep_data[j + 3] = p[(i << 6) + j];
>
>                 rep_data[2] = i;
> -               ret = hdev->hid_output_raw_report(hdev, rep_data, 67,
> +               ret = hid_output_raw_report(hdev, rep_data, 67,
>                                         HID_FEATURE_REPORT);
>         }
>
>         rep_data[0] = WAC_CMD_ICON_START_STOP;
>         rep_data[1] = 0;
>
> -       ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
> -                               HID_FEATURE_REPORT);
> +       ret = hid_output_raw_report(hdev, rep_data, 2, HID_FEATURE_REPORT);
>
>  err:
>         return;
> @@ -183,7 +181,7 @@ static void wacom_leds_set_brightness(struct led_classdev *led_dev,
>                 buf[3] = value;
>                 /* use fixed brightness for OLEDs */
>                 buf[4] = 0x08;
> -               hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
> +               hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
>                 kfree(buf);
>         }
>
> @@ -339,7 +337,7 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
>                 rep_data[0] = 0x03 ; rep_data[1] = 0x00;
>                 limit = 3;
>                 do {
> -                       ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
> +                       ret = hid_output_raw_report(hdev, rep_data, 2,
>                                         HID_FEATURE_REPORT);
>                 } while (ret < 0 && limit-- > 0);
>
> @@ -352,7 +350,7 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
>                         rep_data[1] = 0x00;
>                         limit = 3;
>                         do {
> -                               ret = hdev->hid_output_raw_report(hdev,
> +                               ret = hid_output_raw_report(hdev,
>                                         rep_data, 2, HID_FEATURE_REPORT);
>                         } while (ret < 0 && limit-- > 0);
>
> @@ -378,7 +376,7 @@ static void wacom_set_features(struct hid_device *hdev, u8 speed)
>                 rep_data[0] = 0x03;
>                 rep_data[1] = wdata->features;
>
> -               ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
> +               ret = hid_output_raw_report(hdev, rep_data, 2,
>                                         HID_FEATURE_REPORT);
>                 if (ret >= 0)
>                         wdata->high_speed = speed;
> diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c
> index abb20db..d7dc6c5b 100644
> --- a/drivers/hid/hid-wiimote-core.c
> +++ b/drivers/hid/hid-wiimote-core.c
> @@ -35,7 +35,7 @@ static int wiimote_hid_send(struct hid_device *hdev, __u8 *buffer,
>         if (!buf)
>                 return -ENOMEM;
>
> -       ret = hdev->hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT);
> +       ret = hid_output_raw_report(hdev, buf, count, HID_OUTPUT_REPORT);
>
>         kfree(buf);
>         return ret;
> diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
> index 4b2dc95..f8708c9 100644
> --- a/drivers/hid/hidraw.c
> +++ b/drivers/hid/hidraw.c
> @@ -153,7 +153,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer,
>                 goto out_free;
>         }
>
> -       ret = dev->hid_output_raw_report(dev, buf, count, report_type);
> +       ret = hid_output_raw_report(dev, buf, count, report_type);
>  out_free:
>         kfree(buf);
>  out:
> diff --git a/include/linux/hid.h b/include/linux/hid.h
> index c56681a..a837ede 100644
> --- a/include/linux/hid.h
> +++ b/include/linux/hid.h
> @@ -1012,6 +1012,22 @@ static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf,
>  }
>
>  /**
> + * hid_output_raw_report - send an output or a feature report to the device
> + *
> + * @hdev: hid device
> + * @buf: raw data to transfer
> + * @len: length of buf
> + * @report_type: HID_FEATURE_REPORT or HID_OUTPUT_REPORT
> + *
> + * @return: count of data transfered, negative if error
> + */
> +static inline int hid_output_raw_report(struct hid_device *hdev, __u8 *buf,
> +                                       size_t len, unsigned char report_type)
> +{
> +       return hdev->hid_output_raw_report(hdev, buf, len, report_type);
> +}
> +
> +/**
>   * hid_hw_idle - send idle request to device
>   *
>   * @hdev: hid device
> --
> 1.8.3.1
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ