[PATCH 1/2] drm/exynos: fix WINDOWS_NR checking to vidi driver

[Inki Dae]

This patch just checks if win_data array range is valid
or not correctly.

Signed-off-by: Inki Dae <inki.dae at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_vidi.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c 
b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 24376c1..11a016d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -282,7 +282,7 @@ static void vidi_win_mode_set(struct device *dev,
        if (win == DEFAULT_ZPOS)
                win = ctx->default_win;

-       if (win < 0 || win > WINDOWS_NR)
+       if (win < 0 || win >= WINDOWS_NR)
                return;

        offset = overlay->fb_x * (overlay->bpp >> 3);
@@ -332,7 +332,7 @@ static void vidi_win_commit(struct device *dev, int zpos)
        if (win == DEFAULT_ZPOS)
                win = ctx->default_win;

-       if (win < 0 || win > WINDOWS_NR)
+       if (win < 0 || win >= WINDOWS_NR)
                return;

        win_data = &ctx->win_data[win];
@@ -356,7 +356,7 @@ static void vidi_win_disable(struct device *dev, int zpos)
        if (win == DEFAULT_ZPOS)
                win = ctx->default_win;

-       if (win < 0 || win > WINDOWS_NR)
+       if (win < 0 || win >= WINDOWS_NR)
                return;

        win_data = &ctx->win_data[win];
-- 
1.7.5.4