linux-kernel - Re: [RFC][PATCH v4 22/69] merging pick_link() with get

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Message-ID: <20200315142319.GT23230@ZenIV.linux.org.uk>
Date:   Sun, 15 Mar 2020 14:23:19 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Hillf Danton <hdanton@...a.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC][PATCH v4 22/69] merging pick_link() with get_link(), part 4

On Sun, Mar 15, 2020 at 05:41:48PM +0800, Hillf Danton wrote:
> > +	link = walk_component(nd, 0);
> > +	if (link) {
> 
> Need to check that link is not err.

What for?  It will do the right thing anyway.