On Sun, 21 Aug 2016, Heinrich Schuchardt <xypron.glpk@xxxxxx> wrote:
> Components m1, m2, p2, dot, vco of variable clock should be
> initialized to avoid bytes from the kernel stack to be
> exposed.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
> ---
> drivers/gpu/drm/gma500/oaktrail_crtc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
> index da9fd34..28bd8f3 100644
> --- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
> +++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
> @@ -138,6 +138,7 @@ static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit,
> u32 target_vco, actual_freq;
> s32 freq_error, min_error = 100000;
>
> + memset(clock, 0, sizeof(struct gma_clock_t));
Did you build this? Did you run this?
BR,
Jani.
> memset(best_clock, 0, sizeof(*best_clock));
>
> for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
--
Jani Nikula, Intel Open Source Technology Center
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