linux-kernel - Re: [PATCH][5/5][resend] floppy.c: Fix device_create

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Date:	Tue, 20 Mar 2007 09:32:03 +0100 (MET)
From:	Mikael Pettersson <mikpe@...uu.se>
To:	ak@...e.de, jesper.juhl@...il.com
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	bzolnier@...il.com, linux-kernel@...r.kernel.org,
	trent.waddington@...il.com
Subject: Re: [PATCH][5/5][resend] floppy.c: Fix device_create_file() warning

On Mon, 19 Mar 2007 18:42:22 +0100, Jesper Juhl wrote:
> --- a/drivers/block/floppy.c
> +++ b/drivers/block/floppy.c
> @@ -4302,7 +4302,12 @@ static int __init floppy_init(void)
>  		if (err)
>  			goto out_flush_work;
>  
> -		device_create_file(&floppy_device[drive].dev,&dev_attr_cmos);
> +		err = device_create_file(&floppy_device[drive].dev, &dev_attr_cmos);
> +		if (err)
> +			goto out_flush_work;
> +
>  		/* to be cleaned up... */
>  		disks[drive]->private_data = (void *)(long)drive;
>  		disks[drive]->queue = floppy_queue;

The floppy driver's sysfs file just provides some auxiliary
information to user-space, none of which matters for most of
its users. It is IMO totally inappropriate to fail floppy
driver init in this case.

/Mikael
-
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