linux-kernel - Re: [PATCH rdma-next] overflow: Include header file with SIZE

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Message-ID: <20201002003150.GA1286456@nvidia.com>
Date:   Thu, 1 Oct 2020 21:31:50 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     Doug Ledford <dledford@...hat.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Kees Cook <keescook@...omium.org>,
        <linux-kernel@...r.kernel.org>,
        RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH rdma-next] overflow: Include header file with SIZE_MAX
 declaration

On Sun, Sep 13, 2020 at 01:29:28PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> The various array_size functions use SIZE_MAX define, but missed limits.h
> causes to failure to compile code that needs overflow.h.
> 
>  In file included from drivers/infiniband/core/uverbs_std_types_device.c:6:
>  ./include/linux/overflow.h: In function 'array_size':
>  ./include/linux/overflow.h:258:10: error: 'SIZE_MAX' undeclared (first use in this function)
>    258 |   return SIZE_MAX;
>        |          ^~~~~~~~
> 
> Fixes: 610b15c50e86 ("overflow.h: Add allocation size calculation helpers")
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> ---
>  include/linux/overflow.h | 1 +
>  1 file changed, 1 insertion(+)

Applied to rdma for-next, seems other patches need this. Thanks

Jason