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Date: Sun, 1 May 2016 10:34:29 -0700
From: Christoph Hellwig <hch@infradead.org>
To: Muhammad Falak R Wani <falakreyaz@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vfs: use RCU_INIT_POINTER when NULLing
Message-ID: <20160501173429.GB21574@infradead.org>
References: <1462046952-30147-1-git-send-email-falakreyaz@gmail.com>
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On Sun, May 01, 2016 at 01:39:12AM +0530, Muhammad Falak R Wani wrote:
> It is always safe to use RCU_INIT_POINTER to NULL a pointer. This
> results in slightly smaller/faster code.

Just fix rcu_assign_pointer to do the right thing for a NULL
argument instead.