[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: ioctl returning -32 ENODEV

To: "Felipe Balbi" <felipebalbi@xxxxxxxxxxxxxxxxxxxxx>, "kernelnewbies" <kernelnewbies@xxxxxxxxxxxx>
Subject: RE: ioctl returning -32 ENODEV
From: "Rajat Jain" <Rajat.Jain@xxxxxxxxxxxx>
Date: Thu, 5 Jul 2007 18:03:08 +0530
In-reply-to: <31e679430707050512pa972643vcd99ae289e793c73@mail.gmail.com>
List-archive: <http://mail.nl.linux.org/kernelnewbies/>
List-help: <mailto:ecartis@nl.linux.org?Subject=help>
List-id: <kernelnewbies.nl.linux.org>
List-owner: <mailto:ecartis-owner@nl.linux.org>
List-post: <mailto:kernelnewbies@nl.linux.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:kernelnewbies-request@nl.linux.org?Subject=subscribe>
List-unsubscribe: <mailto:kernelnewbies-request@nl.linux.org?Subject=unsubscribe>
Sender: kernelnewbies-bounce@xxxxxxxxxxxx
Thread-index: Ace+/ik9IHcB6jRkQYuNlKj9Rd9f4gAAj9tg
Thread-topic: ioctl returning -32 ENODEV

Hi,

> I'm writing an app like USBHSET but for linux, when I issue some kind
> of control msg (which is an ioctl()) it's returning -32 ENODEV. But
> when I issue usb_reset() (another ioctl()) it's working fine.

Looks like you are either issuing a wrong ioctl (the driver does not understand the ioctl), or issuing ioctl against the wrong device node.

> Where can I find the definition for ioctl() and when does it 
> returns ENODEV???

May be you should check in the driver source code?

Thanks,

Rajat
  

--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx
Please read the FAQ at http://kernelnewbies.org/FAQ

References:
- ioctl returning -32 ENODEV
  - From: Felipe Balbi

Prev by Date: ioctl returning -32 ENODEV
Next by Date: Setting a host route in a kernel module
Previous by thread: ioctl returning -32 ENODEV
Next by thread: Setting a host route in a kernel module
Index(es):
- Date
- Thread