Re: [PATCH v3 0/9] lib/string: introduce match_string() helper

[Al Viro]

On Fri, Jan 08, 2016 at 03:09:09PM +0200, Andy Shevchenko wrote:
> There are users of a simple string matching in the array. Let's do a common
> helper for that.
 
What's the reason for making it return -ENODATA when no match is found?
That one of the callers wants to return that as error in such case?
At least one other is returning -EINVAL in the same situation...