Re: [PATCH 1/3] Return ENODEV instead of EINVAL when trying to open ACM device.

Greg KH
2009-06-24T20:57:35Z

On Wed, Jun 24, 2009 at 08:31:15AM -0300, Thadeu Lima de Souza Cascardo wrote:
> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
> ---
> drivers/usb/class/cdc-acm.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index 38bfdb0..02eb60b 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -550,7 +550,7 @@ static void acm_waker(struct work_struct *waker)
> static int acm_tty_open(struct tty_struct *tty, struct file *filp)
> {
> struct acm *acm;
> - int rv = -EINVAL;
> + int rv = -ENODEV;

Why is this needed?

thanks,

greg k-h