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From: Jiri Kosina <jikos@jikos.cz>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Nikanth Karthikesan <knikanth@suse.de>,
	grant@torque.net, tim@cyberelk.net, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] Change paride driver to use unlocked_ioctl instead of ioctl
Date: Wed, 9 Jan 2008 14:26:26 +0100 (CET)	[thread overview]
Message-ID: <Pine.LNX.4.64.0801091425100.25041@twin.jikos.cz> (raw)
In-Reply-To: <20080109123311.GP16309@parisc-linux.org>

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

  reply	other threads:[~2008-01-09 13:27 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-10  6:14 Nikanth Karthikesan
2008-01-09  8:06 ` Christoph Hellwig
2008-01-09  8:23   ` Valdis.Kletnieks
     [not found]   ` <4784D3E0.BANGALORE.BLR.100.174746A.1.EABB.1@1:7.BANGALORE.BLR.100.0.1.0.1@16>
2008-01-10  8:55     ` Nikanth Karthikesan
2008-01-09 12:14       ` Jan Engelhardt
2008-01-09 12:20         ` Christoph Hellwig
2008-01-10  7:23 ` Nikanth Karthikesan
2008-01-09 12:33   ` Matthew Wilcox
2008-01-09 13:26     ` Jiri Kosina [this message]
2008-01-09 16:56       ` Alan Cox
2008-01-10 15:01         ` Jiri Kosina
2008-01-10 20:58           ` Alan Cox
     [not found]         ` <478681FE.BANGALORE.BLR.100.174746A.1.ECB1.1@1:7.BANGALORE.BLR.100.0.1.0.1@16>
2008-01-10 15:31           ` Nikanth Karthikesan
2008-01-10 15:50             ` Matthew Wilcox
     [not found]       ` <47854BF3.BANGALORE.BLR.100.174746A.1.EB89.1@1:7.BANGALORE.BLR.100.0.1.0.1@16>
2008-01-10  5:29         ` Nikanth Karthikesan

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