linux-kernel - Re: [PATCH] net/openvswitch: Use with RCU_INIT

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Message-ID: <CAEP_g=8Uk+i0TybOcE0x2WMMhnnv0RfDOsAOgDav+fN227fhvw@mail.gmail.com>
Date:	Fri, 28 Mar 2014 15:12:20 -0700
From:	Jesse Gross <jesse@...ira.com>
To:	Monam Agarwal <monamagarwal123@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>,
	netdev <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/openvswitch: Use with RCU_INIT_POINTER(x, NULL) in vport-gre.c

On Sun, Mar 23, 2014 at 12:22 PM, Monam Agarwal
<monamagarwal123@...il.com> wrote:
> This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
>
> The rcu_assign_pointer() ensures that the initialization of a structure
> is carried out before storing a pointer to that structure.
> And in the case of the NULL pointer, there is no structure to initialize.
> So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)
>
> Signed-off-by: Monam Agarwal <monamagarwal123@...il.com>

Applied.
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