Re: Extended error reporting to user space?

[AmÃrico Wang]

On Tue, Feb 16, 2010 at 02:23:55PM +0200, Alexey Dobriyan wrote:
>On Tue, Feb 16, 2010 at 2:20 PM, Nikita V. Youshchenko <yoush@xxxxxxxxx> wrote:
>> Unfortunately this -EINVAL is not really useful.
>
>There is no such thing.
>Driver can spit messages with printk() though.

Right, if errno is not enough, printk() is.

You could also use other interface to debug, but printk() is the
simplest.

Thanks.
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