On Wed, 9 Jan 2008, Matthew Wilcox wrote:
> > default:
> > printk("%s: Unimplemented ioctl 0x%x\n", tape->name, cmd);
> > + unlock_kernel();
> > return -EINVAL;
> Surely a bug ... shouldn't this return -ENOTTY?
What POSIX states [1]:
[EINVAL]
The request or arg argument is not valid for this device.
[ENOTTY]
The fildes argument is not associated with a STREAMS device that
accepts control functions.
[1] http://www.opengroup.org/onlinepubs/009695399/functions/ioctl.html
--
Jiri Kosina
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