linux-kernel - Re: [PATCH] fs/binfmt_elf: remove the same condition check

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Date:   Wed, 1 Aug 2018 19:34:12 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     zhong jiang <zhongjiang@...wei.com>
Cc:     viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs/binfmt_elf: remove the same condition check

On Thu, Aug 02, 2018 at 10:00:28AM +0800, zhong jiang wrote:
> dump_align is used to double check in a expression. It is redundant.
> so just remove one of them.

You're wrong.  Functions in C can have side-effects (and this one does).