linux-kernel - Re: [PATCH] kernel/fork.c: use sizeof() instead of sizeof

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Message-ID: <20160203040238.GS17997@ZenIV.linux.org.uk>
Date:	Wed, 3 Feb 2016 04:02:39 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Kevin Easton <kevin@...rana.org>
Cc:	Aleksa Sarai <cyphar@...har.com>, xypron.glpk@....de,
	Tejun Heo <tj@...nel.org>, koct9i@...il.com,
	ebiederm@...ssion.com, Wei Tang <tangwei@...s.chinamobile.com>,
	linux-kernel@...r.kernel.org, oleg@...hat.com,
	josh@...htriplett.org, jason.low2@...com, peterz@...radead.org,
	Ingo Molnar <mingo@...nel.org>, akpm@...ux-foundation.org,
	kirill.shutemov@...ux.intel.com
Subject: Re: [PATCH] kernel/fork.c: use sizeof() instead of sizeof

On Tue, Feb 02, 2016 at 10:46:07PM -0500, Kevin Easton wrote:
> On Tue, Feb 02, 2016 at 05:04:06PM +0000, Al Viro wrote:

> > the rules for ++ and -- might as well have been ++ postfix-expression and
> > -- postfix-expression resp.
> 
> Unless I'm mistaken, * cast-expression yields an lvalue.

D'oh...  Obviously correct (and just as obviously, ++*p is valid and quite
common).  Shouldn't have posted while half-asleep ;-/  Self-LART applied...