linux-kernel - Re: [PATCH 15/31] misc/vmw_vmci: use kmemdup rather than duplicating its implementation

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Message-id: <55F93E14.6030805@samsung.com>
Date:	Wed, 16 Sep 2015 12:01:56 +0200
From:	Andrzej Hajda <a.hajda@...sung.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/31] misc/vmw_vmci: use kmemdup rather than duplicating
 its implementation

Ping.

Regards
Andrzej

On 08/07/2015 09:59 AM, Andrzej Hajda wrote:
> The patch was generated using fixed coccinelle semantic patch
> scripts/coccinelle/api/memdup.cocci [1].
>
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2014320
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---
>  drivers/misc/vmw_vmci/vmci_datagram.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/misc/vmw_vmci/vmci_datagram.c b/drivers/misc/vmw_vmci/vmci_datagram.c
> index 8226652..8a4b6bb 100644
> --- a/drivers/misc/vmw_vmci/vmci_datagram.c
> +++ b/drivers/misc/vmw_vmci/vmci_datagram.c
> @@ -276,11 +276,10 @@ static int dg_dispatch_as_host(u32 context_id, struct vmci_datagram *dg)
>  		}
>  
>  		/* We make a copy to enqueue. */
> -		new_dg = kmalloc(dg_size, GFP_KERNEL);
> +		new_dg = kmemdup(dg, dg_size, GFP_KERNEL);
>  		if (new_dg == NULL)
>  			return VMCI_ERROR_NO_MEM;
>  
> -		memcpy(new_dg, dg, dg_size);
>  		retval = vmci_ctx_enqueue_datagram(dg->dst.context, new_dg);
>  		if (retval < VMCI_SUCCESS) {
>  			kfree(new_dg);

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