linux-kernel - Re: [PATCH] serial: sh-sci: Fix length of scatterlist

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Message-ID: <CAMuHMdVwiHP+B40CxDzJJ8T=QGwcXtm0o80=OnpZHd+xiscmbw@mail.gmail.com>
Date:	Thu, 22 Oct 2015 13:06:42 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>, jslaby@...e.com,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-sh list <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] serial: sh-sci: Fix length of scatterlist

On Thu, Oct 22, 2015 at 8:41 AM, Yoshihiro Shimoda
<yoshihiro.shimoda.uh@...esas.com> wrote:
> This patch fixes an issue that the "length" of scatterlist should be
> set using sg_dma_len(). Otherwise, a dmaengine driver cannot work
> correctly if CONFIG_NEED_SG_DMA_LENGTH=y.
>
> Fixes: 7b39d90184 (serial: sh-sci: Fix NULL pointer dereference if HIGHMEM is enabled)
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

Acked-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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                                -- Linus Torvalds
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