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Groups > linux.kernel > #1469267
| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V3] leds: trigger: Introduce an USB port trigger |
| Date | 2016-08-24 11:30 +0200 |
| Message-ID | <s9CFs-gj-13@gated-at.bofh.it> (permalink) |
| References | <s9s3o-1C3-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Aug 24, 2016 at 12:03:29AM +0200, Rafał Miłecki wrote:
> +static ssize_t ports_show(struct device *dev, struct device_attribute *attr,
> + char *buf)
> +{
> + struct led_classdev *led_cdev = dev_get_drvdata(dev);
> + struct usbport_trig_data *usbport_data = led_cdev->trigger_data;
> + struct usbport_trig_port *port;
> + ssize_t ret = 0;
> + int len;
> +
> + list_for_each_entry(port, &usbport_data->ports, list) {
> + len = sprintf(buf + ret, "%s\n", port->name);
> + if (len >= 0)
> + ret += len;
> + }
> +
> + return ret;
> +}
sysfs is "one value per file", here you are listing a bunch of things in
one sysfs file. Please don't do that.
greg k-h
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[PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 00:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 11:40 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 23:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 07:20 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 11:30 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Greg KH <gregkh@linuxfoundation.org> - 2016-08-24 23:20 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 13:10 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-24 14:00 +0200
Re: [PATCH V3] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-24 13:20 +0200
[PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 20:00 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Bjørn Mork <bjorn@mork.no> - 2016-08-24 21:20 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-24 22:50 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-25 10:20 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Matthias Brugger <mbrugger@suse.com> - 2016-08-25 10:30 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 10:40 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Jacek Anaszewski <j.anaszewski@samsung.com> - 2016-08-25 11:10 +0200
Re: [PATCH RFC V3.5] leds: trigger: Introduce an USB port trigger Rafał Miłecki <zajec5@gmail.com> - 2016-08-25 10:50 +0200
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