linux-kernel - Re: [PATCH] drivers/crypto: Use RCU_INIT

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Message-ID: <20140416134811.GA4684@gondor.apana.org.au>
Date:	Wed, 16 Apr 2014 21:48:11 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Monam Agarwal <monamagarwal123@...il.com>
Cc:	rcj@...ux.vnet.ibm.com, mhcerri@...ux.vnet.ibm.com,
	fin@...ux.vnet.ibm.com, davem@...emloft.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/crypto: Use RCU_INIT_POINTER(x, NULL) in
 nx/nx-842.c

On Mon, Mar 24, 2014 at 01:02:42AM +0530, Monam Agarwal 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>

Patch applied.
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Email: Herbert Xu <herbert@...dor.apana.org.au>
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