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* [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove()
@ 2014-06-16 14:39 Jürg Billeter
  2014-06-16 16:06 ` Geert Uytterhoeven
  2014-06-17 14:47 ` Mark Brown
  0 siblings, 2 replies; 3+ messages in thread
From: Jürg Billeter @ 2014-06-16 14:39 UTC (permalink / raw)
  To: Mark Brown; +Cc: linux-spi, linux-kernel, Jürg Billeter

setbits() uses sp->membase.

Signed-off-by: Jürg Billeter <j@bitron.ch>
---
 drivers/spi/spi-sh-sci.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-sh-sci.c b/drivers/spi/spi-sh-sci.c
index 1f56ef6..b83dd73 100644
--- a/drivers/spi/spi-sh-sci.c
+++ b/drivers/spi/spi-sh-sci.c
@@ -175,9 +175,9 @@ static int sh_sci_spi_remove(struct platform_device *dev)
 {
 	struct sh_sci_spi *sp = platform_get_drvdata(dev);
 
-	iounmap(sp->membase);
-	setbits(sp, PIN_INIT, 0);
 	spi_bitbang_stop(&sp->bitbang);
+	setbits(sp, PIN_INIT, 0);
+	iounmap(sp->membase);
 	spi_master_put(sp->bitbang.master);
 	return 0;
 }
-- 
2.0.0


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove()
  2014-06-16 14:39 [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove() Jürg Billeter
@ 2014-06-16 16:06 ` Geert Uytterhoeven
  2014-06-17 14:47 ` Mark Brown
  1 sibling, 0 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2014-06-16 16:06 UTC (permalink / raw)
  To: Jürg Billeter; +Cc: Mark Brown, linux-spi, linux-kernel, Magnus Damm

On Mon, Jun 16, 2014 at 4:39 PM, Jürg Billeter <j@bitron.ch> wrote:
> setbits() uses sp->membase.
>
> Signed-off-by: Jürg Billeter <j@bitron.ch>

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>

> ---
>  drivers/spi/spi-sh-sci.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/spi/spi-sh-sci.c b/drivers/spi/spi-sh-sci.c
> index 1f56ef6..b83dd73 100644
> --- a/drivers/spi/spi-sh-sci.c
> +++ b/drivers/spi/spi-sh-sci.c
> @@ -175,9 +175,9 @@ static int sh_sci_spi_remove(struct platform_device *dev)
>  {
>         struct sh_sci_spi *sp = platform_get_drvdata(dev);
>
> -       iounmap(sp->membase);
> -       setbits(sp, PIN_INIT, 0);
>         spi_bitbang_stop(&sp->bitbang);
> +       setbits(sp, PIN_INIT, 0);
> +       iounmap(sp->membase);
>         spi_master_put(sp->bitbang.master);
>         return 0;
>  }
> --
> 2.0.0

Gr{oetje,eeting}s,

                        Geert

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

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove()
  2014-06-16 14:39 [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove() Jürg Billeter
  2014-06-16 16:06 ` Geert Uytterhoeven
@ 2014-06-17 14:47 ` Mark Brown
  1 sibling, 0 replies; 3+ messages in thread
From: Mark Brown @ 2014-06-17 14:47 UTC (permalink / raw)
  To: Jürg Billeter; +Cc: linux-spi, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 115 bytes --]

On Mon, Jun 16, 2014 at 04:39:29PM +0200, Jürg Billeter wrote:
> setbits() uses sp->membase.

Applied, thanks.

[-- Attachment #2: Digital signature --]
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^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2014-06-17 14:47 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2014-06-16 14:39 [PATCH] spi: sh-sci: fix use-after-free in sh_sci_spi_remove() Jürg Billeter
2014-06-16 16:06 ` Geert Uytterhoeven
2014-06-17 14:47 ` Mark Brown

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