Re: [PATCH] Change paride driver to use unlocked_ioctl instead ofioctl

[Nikanth Karthikesan]

On Thu, 2008-01-10 at 16:01 +0100, Jiri Kosina wrote:
> On Wed, 9 Jan 2008, Alan Cox wrote:
> 
> > > > >  	default:
> > > > >  		printk("%s: Unimplemented ioctl 0x%x\n", tape->name, cmd);
> > > > > +		unlock_kernel();
> > > > >  		return -EINVAL;
> > > > Surely a bug ... shouldn't this return -ENOTTY?
> > Agreed - ENOTTY. 
> 
> Just out of curiosity, where does POSIX happen to specify ENOTTY as the 
> correct one for unimplemented ioctl?
> 

The printk is also wrong, It should have been, Invalid ioctl for the
device

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