linux-kernel - Re: [PATCH 14/26] IB/ocrdma: Improve another size determination in ocrdma

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Message-ID: <20170308142755.GL4828@yuval-lap>
Date:   Wed, 8 Mar 2017 16:27:55 +0200
From:   Yuval Shaia <yuval.shaia@...cle.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-rdma@...r.kernel.org,
        Devesh Sharma <devesh.sharma@...gotech.com>,
        Doug Ledford <dledford@...hat.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Selvin Xavier <selvin.xavier@...gotech.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 14/26] IB/ocrdma: Improve another size determination in
 ocrdma_add()

On Wed, Mar 08, 2017 at 02:10:33PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 7 Mar 2017 22:12:36 +0100
> 
> Replace the specification of a data structure by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/infiniband/hw/ocrdma/ocrdma_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
> index 9caa4c564e34..c49b4491d4e7 100644
> --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
> @@ -303,7 +303,7 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
>  	u8 lstate = 0;
>  	struct ocrdma_dev *dev;
>  
> -	dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
> +	dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(*dev));
>  	if (!dev) {
>  		pr_err("Unable to allocate ib device\n");
>  		return NULL;

Reviewed-by: Yuval Shaia <yuval.shaia@...cle.com>

> -- 
> 2.12.0
> 
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