[PATCH 1/1] drm/gma500: dont expose stack, mrst_lvds_find_best_pll
Heinrich Schuchardt
xypron.glpk at gmx.de
Sun Aug 21 19:57:17 UTC 2016
All components of variable clock should be initialized
to avoid bytes from the kernel stack to be exposed.
Reported-by: Joe Perches <joe at perches.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
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 28bd8f3..0277d85 100644
--- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
+++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
@@ -195,6 +195,7 @@ static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit,
struct gma_clock_t clock;
int err = target;
+ memset(clock, 0, sizeof(struct gma_clock_t));
memset(best_clock, 0, sizeof(*best_clock));
for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
--
2.1.4
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