D6197: Add kauth helper to file ioslave

[Chinmoy Ranjan Pradhan]

chinmoyr added inline comments.

INLINE COMMENTS

> dfaure wrote in filehelper.cpp:44
> should be unnecessary now, with the above suggested change

In my system errno is set to 11. It seems like the case where function call succeeds but errno is set. But then it happens right after control reaches this method so I can't figure out which call might have set the error. I can't say if its unique to my system or not but there it is. So I think its best to set errno to 0  just to be on safe side.

REVISION DETAIL
  https://phabricator.kde.org/D6197

To: chinmoyr, elvisangelaccio, #frameworks, dfaure
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