linux-kernel - Re: [PATCH v3] mtd: spi-nor: cast to u64 to avoid uint overflows

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Message-ID: <CACna6rxstGQNmr-9Bi=BEcYgcXV9QqOiXLGfNFC4Y7DmFMVryw@mail.gmail.com>
Date:   Mon, 3 Dec 2018 09:12:30 +0100
From:   Rafał Miłecki <zajec5@...il.com>
To:     huijin.park@...sung.com
Cc:     Boris Brezillon <boris.brezillon@...tlin.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-mtd@...ts.infradead.org, bbanghj.park@...il.com
Subject: Re: [PATCH v3] mtd: spi-nor: cast to u64 to avoid uint overflows

On Wed, 28 Nov 2018 at 09:03, Huijin Park <huijin.park@...sung.com> wrote:
> From: "huijin.park" <huijin.park@...sung.com>
>
> The "params->size" is defined as "u64".
> And "info->sector_size" and "info->n_sectors" are defined as
> unsigned int and u16.
> Thus, u64 data might have strange data(loss data) if the result
> overflows an unsigned int.
> This patch casts "info->sector_size" to an u64.
>
> Signed-off-by: huijin.park <huijin.park@...sung.com>

You may want to adjust your git's "user.name" config to avoid
"malforming" your name (From and Signed-off-by) in the further
contributions :)

Something like
git config --global user.name "John Foo"