[CRIU] only write one device entry at a time

[Adrian Reber]

On Fri, Jul 08, 2016 at 03:09:54PM +0000, Tycho Andersen wrote:
> Adrian reported that we get an -E2BIG sometimes when writing to devices.deny.
> I'm not sure why this would be, but we should really just be writing one entry
> at a time to this file, since that's all the kernel is going to parse anyway.
> Here's a patchset that does that.
> 
> Adrian, does this fix the problem for you?

Thanks for the quick patch. It does work now without any errors. Thanks.

Tested-by: Adrian Reber <areber at redhat.com>

		Adrian