linux-kernel - Re: [PATCH] RDMA/ucma: Use struct

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Message-ID: <20190607180508.GA29136@ziepe.ca>
Date:   Fri, 7 Jun 2019 15:05:08 -0300
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc:     Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RDMA/ucma: Use struct_size() helper

On Tue, Jun 04, 2019 at 10:42:22AM -0500, Gustavo A. R. Silva wrote:
> Make use of the struct_size() helper instead of an open-coded version
> in order to avoid any potential type mistakes, in particular in the
> context in which this code is being used.
> 
> So, replace the following form:
> 
> sizeof(*resp) + (i * sizeof(struct ib_path_rec_data))
> 
> with:
> 
> struct_size(resp, path_data, i)
> 
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
>  drivers/infiniband/core/ucma.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Applied to for-next, thanks

Jason