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drm/exynos: fix checks for valid mixer window

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Valid values for mixer window are from 0 to MIXER_WIN_NR-1 inclusive.
Arrays in structures (e.g. mixer_context.win_data) have size of
MIXER_WIN_NR so checks for wrong mixer window must be greater-equal.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Krzysztof Kozlowski
2013-05-27 15:00:43 +09:00
committed by Inki Dae
parent d482e5fa29
commit 1586d80cbf
2 changed files with 3 additions and 3 deletions
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2
drivers/gpu/drm/exynos/exynos_mixer.c
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@@ -742,7 +742,7 @@ static void mixer_win_mode_set(void *ctx,
if (win == DEFAULT_ZPOS)
win = MIXER_DEFAULT_WIN;
if (win < 0 || win > MIXER_WIN_NR) {
if (win < 0 || win >= MIXER_WIN_NR) {
DRM_ERROR("mixer window[%d] is wrong\n", win);
return;
}