linux-kernel - Re: [PATCH v3 07/15] platform: goldfish: pipe: Return status from "deinit" since "remove" does not do much

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Message-ID: <20181016063028.GC882@kroah.com>
Date:   Tue, 16 Oct 2018 08:30:28 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Roman Kiryanov <rkir@...gle.com>
Cc:     linux-kernel@...r.kernel.org, Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH v3 07/15] platform: goldfish: pipe: Return status from
 "deinit" since "remove" does not do much

On Mon, Oct 15, 2018 at 03:04:47PM -0700, Roman Kiryanov wrote:
> > This function can not fail, why are you returning 0 always?  That
> > doesn't make sense.
> 
> remove in struct platform_driver requires returning something, we have
> to have "return" somewhere.

But this code always returns 0, you are changing the function return
value to int, but it can not fail.  I do not understand the need for
this change at all, sorry.

> I think we want to return closer to the place where we do something useful.

I do not understand this.

greg k-h