Re: [PATCH net] net: ethernet: adi: adin1110: Fix some error handling path in adin1110_read_fifo()

From: Simon Horman
Date: Mon Oct 07 2024 - 11:47:33 EST


On Fri, Oct 04, 2024 at 11:09:52AM -0700, Jakub Kicinski wrote:
> On Fri, 4 Oct 2024 14:47:22 +0300 Dan Carpenter wrote:
> > It's a pity that deliberately doing a "return ret;" when ret is zero is so
> > common. Someone explained to me that it was "done deliberately to express that
> > we were propagating the success from frob_whatever()". No no no!
>
> FWIW I pitched to Linus that we should have a err_t of some sort for
> int variables which must never be returned with value of 0.
> He wasn't impressed, but I still think it would be useful :)

FWIIW, I think something like that would be quite nice.