[PATCH] Xi: fix modifier offset in XIPassiveGrab swapping function

[Alan Coopersmith]

On 01/23/14 10:53 PM, Peter Hutterer wrote:
> The request is followed by mask_len 4-byte units, then followed by the actual
> modifiers.
>
> Reported-by: Alan Coopersmith <alan.coopersmith at oracle.com>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
>   Xi/xipassivegrab.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Xi/xipassivegrab.c b/Xi/xipassivegrab.c
> index eccec0a..8aba977 100644
> --- a/Xi/xipassivegrab.c
> +++ b/Xi/xipassivegrab.c
> @@ -63,7 +63,7 @@ SProcXIPassiveGrabDevice(ClientPtr client)
>       swaps(&stuff->mask_len);
>       swaps(&stuff->num_modifiers);
>
> -    mods = (uint32_t *) &stuff[1];
> +    mods = (uint32_t *) &stuff[1] + stuff->mask_len;
>
>       for (i = 0; i < stuff->num_modifiers; i++, mods++) {
>           swapl(mods);
>

Matches the math in the unswapped function, and my reading of what
libXi sends from the client, so:

Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>

-- 
	-Alan Coopersmith-              alan.coopersmith at oracle.com
	 Oracle Solaris Engineering - http://blogs.oracle.com/alanc