diff options
| author | pdabade <pdabade@nvidia.com> | 2013-12-10 10:42:01 +0530 |
|---|---|---|
| committer | Matthew Pedro <mapedro@nvidia.com> | 2014-01-24 12:01:42 -0800 |
| commit | 95c7d5a8c9fc4c4d6326d608723237ed197b893a (patch) | |
| tree | 4b044ee1b24fb3c66723c8b21acc14753db9b8ce /drivers/video/tegra | |
| parent | d633a68ac0c4758927bc436142c196421287d10a (diff) | |
video: tegra: hdmi: validate variable screeninfo
verify variable screeninfo by checking xres and yres before
validating aspect ratio.
bug 1417318
Change-Id: I473f3e2f30888c053ca53559e33355f216d2a8d3
Signed-off-by: Pankaj Dabade <pdabade@nvidia.com>
Reviewed-on: http://git-master/r/340236
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Jong Kim <jongk@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>
Diffstat (limited to 'drivers/video/tegra')
| -rw-r--r-- | drivers/video/tegra/dc/hdmi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/video/tegra/dc/hdmi.c b/drivers/video/tegra/dc/hdmi.c index 55d9163d4faf..f3fcf2e2ee09 100644 --- a/drivers/video/tegra/dc/hdmi.c +++ b/drivers/video/tegra/dc/hdmi.c @@ -4,7 +4,7 @@ * Copyright (C) 2010 Google, Inc. * Author: Erik Gilling <konkers@android.com> * - * Copyright (c) 2010-2012, NVIDIA CORPORATION, All rights reserved. + * Copyright (c) 2010-2013, NVIDIA CORPORATION, All rights reserved. * * This software is licensed under the terms of the GNU General Public * License version 2, as published by the Free Software Foundation, and @@ -1259,7 +1259,8 @@ static bool tegra_dc_hdmi_valid_asp_ratio(const struct tegra_dc *dc, int s_aspratio = 0; /* To check the aspect upto two decimal digits, calculate in % */ - m_aspratio = (mode->xres*100 / mode->yres); + if (mode->yres) + m_aspratio = (mode->xres*100 / mode->yres); if ((m_aspratio < TEGRA_DC_HDMI_MIN_ASPECT_RATIO_PERCENT) || (m_aspratio > TEGRA_DC_HDMI_MAX_ASPECT_RATIO_PERCENT)) |