Re: [PATCH] Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().

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Hi Peter,

On Tue, Jan 30, 2018 at 9:30 PM, Peter Malone <peter.malone@xxxxxxxxx> wrote:
> Signed-off-by: Peter Malone <peter.malone@xxxxxxxxx>

AFAIK empty commit message is not acceptable upstream

>  drivers/video/fbdev/sbuslib.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
> index af6fc97f4ba4..a436d44f1b7f 100644
> --- a/drivers/video/fbdev/sbuslib.c
> +++ b/drivers/video/fbdev/sbuslib.c
> @@ -122,7 +122,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
>                 unsigned char __user *ured;
>                 unsigned char __user *ugreen;
>                 unsigned char __user *ublue;
> -               int index, count, i;
> +               unsigned int index, count, i;
>
>                 if (get_user(index, &c->index) ||
>                     __get_user(count, &c->count) ||
> @@ -161,7 +161,7 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
>                 unsigned char __user *ugreen;
>                 unsigned char __user *ublue;
>                 struct fb_cmap *cmap = &info->cmap;
> -               int index, count, i;
> +               unsigned int index, count, i;
>                 u8 red, green, blue;
>
>                 if (get_user(index, &c->index) ||
> --
> 2.14.3
>
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