linux-kernel - Re: [PATCH] staging: emxx_udc: Remove unnecessary parentheses around condition tests

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Date:   Mon, 16 Oct 2023 23:27:03 +0200
From:   Andi Shyti <andi.shyti@...ux.intel.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Gilbert Adikankwu <gilbertadikankwu@...il.com>,
        outreachy@...ts.linux.dev, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: emxx_udc: Remove unnecessary parentheses around
 condition tests

> > Fix 47 warnings detected by checkpatch.pl about unnecessary parenthesis
> > around condition tests.
> 
> And as I have stated numerous times in the past, they are not
> "unnecessary" at all, and provide a valuable hint to the developer as to
> what is the ordering involved.
> 
> So you can ignore this checkpatch warning please, it's not valid as far
> as I'm concerned for the subsystems that I maintain in the kernel.

I find this very confusing, though:

   if (((ep->epnum == 0) || (data & (1 << ep->epnum)) == 0))

Andi