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gma/gma500: fix a memory disclosure bug due to uninitialized bytes
`best_clock` is an object that may be sent out. Object `clock` contains uninitialized bytes that are copied to `best_clock`, which leads to memory disclosure and information leak. Signed-off-by: Kangjie Lu <kjlu@umn.edu> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20191018042953.31099-1-kjlu@umn.edu
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@ -405,6 +405,8 @@ static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
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struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
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struct gma_clock_t clock;
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memset(&clock, 0, sizeof(clock));
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switch (refclk) {
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case 27000:
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if (target < 200000) {
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